Answer:
become extinct over time......
Classification (8A.S, 8B.R, 8C.S]:Question 4
The classifications of four insects are shown in the table. Which two
insects are the most closely related?
This causes a population to reach its carrying capacity:
1. Habitat
2. Exponential growth
3. Niche
4. Limiting factor
Blood leaves the heart to go to the rest of
the body through the
Answer:
arteries
Explanation:
goes back through veins
Answer:
blood leaves the heart to go to the rest of the body through the aorta which is the main Artery carrying oxygenated blood
Can someone please help me if this is correct
Answer:
looks great!
Explanation:
Answer:
it looks great sorry
Explanation:
have a great day
lol helplpppppppppppppp
Answer:
Metamorphic for first
Igneous for secomd
Sedimentary for third
Explanation:
Pls vote me as brainlest!
First one is igneous rocks
Second one is metamorphic rocks
The third one is sedimentary rocks
The population of peppered moths have changed over time. The population has changed from primarily light colored to dark colored moths. This is an example of...
a
Mimicry
b
Natural Selection
c
Selective Breeding
d
Camouflage
Answer: b
Explanation:
natural selection occurs when something adapted to the environment to give them an advantage or to survive
a bacterial gene (gene a) ordinarily makes a protein that binds to dna. a mutation of gene a causes an increase in the expression of gene b. we can conclude that
The conclusion of a bacterial gene (gene A) ordinarily makes a protein that binds to DNA and a mutation of gene A causes an increase in the expression of gene B that the protein created by gene A plays a role in repressing gene B expression.
There are several regulatory proteins that can bind to DNA and control gene expression. Gene A creates a protein that binds to DNA in this scenario. However, when gene A is mutated, its protein no longer binds properly, resulting in an increase in the expression of gene B. Therefore, it can be deduced that the protein produced by gene a represses gene b expression. This protein is involved in transcriptional regulation and may function as a transcriptional repressor.
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What most likely happens when water loses heat? Olt changes into ice Olt changes into vapor. Olis temperature increases Its temperature remains constant
Answer:
it changes into ice
Explanation:
When water loses heat, it begins to lose heat energy and the water begins to cool. If the water is not heated again, it may cool and turn into ice
plants release water vapor through their leaves via a process called ________. a. transpiration b. percolation c. condensation d. evaporation
The process through which plants release water vapor through their leaves is known as transpiration. This process plays a significant role in the water cycle.
The process through which plants release water vapor through their leaves is known as transpiration. This process plays a significant role in the water cycle. Explaining water vapor, transpiration and the significance of the process in the water cycle is given below: Water vapor is the gaseous state of water. When water molecules evaporate from a surface, they turn into water vapor. As the vapor rises in the atmosphere, it cools and condenses, forming clouds. When the clouds become too heavy with water droplets, they fall as precipitation in the form of rain, sleet, or snow. Transpiration is the process through which plants release water vapor into the atmosphere. It is the evaporation of water from plants through the stomata on their leaves. Transpiration helps in the uptake of water from the roots of the plant and also helps to regulate the temperature of the plant. Water vapor released through transpiration cools the leaf surface and the surrounding environment. Significance of transpiration in the water cycle: The process of transpiration plays a significant role in the water cycle. When water vapor is released into the atmosphere through transpiration, it contributes to the moisture in the atmosphere. The moisture eventually condenses and falls back to the earth as precipitation. This cycle of transpiration, evaporation, and precipitation ensures a constant supply of water to sustain life on earth. Thus, transpiration is an important part of the water cycle.
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Multiple Choice: Choose the best answer.
In the study of the medium ground finch, Geospiza fortis, the significant regression of mean offspring beak depth on mid-parent beak depth supports which of Darwin's four postulates?
A) individuals within species are variable
B) some of these variations are passed on to offspring
C) in every generation more offspring are produced than can survive
D) the survival and reproduction of individuals are not random
E) "A" and "B"
The significant regression observed in the study of the medium ground finch, Geospiza fortis, supports Darwin's postulates that individuals within species are variable (A) and some of these variations are passed on to offspring (B). Here option E is the correct answer.
The significant regression of mean offspring beak depth on mid-parent beak depth in the study of the medium ground finch, Geospiza fortis, supports Darwin's postulates that individuals within species are variable (A) and some of these variations are passed on to offspring (B).
Darwin's first postulate states that individuals within a species exhibit variation. In the case of the medium ground finch, the study found that there is variation in beak depth among individuals of the species. This supports the idea that the finches are not identical but exhibit differences in their traits, including beak depth.
Darwin's second postulate states that some of these variations are heritable and can be passed on to offspring. The significant regression observed between mean offspring beak depth and mid-parent beak depth in the study suggests that beak depth is indeed a heritable trait. Offspring tend to have beak depths that are influenced by the beak depths of their parents, indicating that this variation is passed on from one generation to the next.
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describe the cell structure of a typical plant cell. give the functions of each part of the cell structure
Answer: Plant cells have a cell wall, a large central vacuole, and plastids such as chloroplasts. The cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell, providing structural support and protection. Plant cells have a cell wall, a large central vacuole, and plastids such as chloroplasts. The cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell, providing structural support and protection. The central vacuole maintains turgor pressure against the cell wall. Nucleus - DNA Storage, Mitochondrion- Energy production, Smooth Endoplasmic Reticulum (SER)- Lipid production; Detoxification, Rough Endoplasmic Reticulum (RER)- Protein production; in particular for export out of the cell, Golgi apparatus- Protein modification and export, Peroxisome- Lipid Destruction; contains oxidative enzymes, Lysosome- Protein destruction. brainliest?
Explanation:
What is an energy pyramid?
Answer:
An energy pyramid, also known as a trophic or ecological pyramid, is a graphical representation of the energy found within the trophic levels of an ecosystem.
The responses of plants to environmental stimuli such as light and gravity are called
A. Tropisms
B. Auxins
C. Dormancy
D. Cytokinins
QUESTION........
The responses of plants to environmental stimuli such as light and gravity are called
A. Tropisms√√√√√√√√√√
B. Auxins
C. Dormancy
D. Cytokinins
ANSWER........
The responses of plants to environmental stimuli such as light and gravity are called. Tropisms.
A. Tropisms
CAN I GET THE CROWN
Answer:
A. Tropisms
Explanation:
Hope this helps
Aluminum is used to make cookware and cans. It is also
used to make vehicles, medicine, machinery, and even
deodorant
According to the graph, which industry uses the most aluminum?
O A. Transportation
O B. Building
c. Packaging
D. Machinery
Answer: A.
Explanation: Transportation is the biggest fraction of the graph, as shown in the photo. Hope it helps! (ap3x approved) :))
5 countries with Very low undernourishment
Answer:
NIGERIA
AFGHANISTAN
CHAD
TIMOR-LESTE
MADAGASCAR
Explanation:
what featureofgenetic mutations can eventuallylead to the evolution of new species?
The feature of genetic mutations that can eventually lead to the evolution of new species is genetic variation.
Genetic variation is a term used to describe the variation in the DNA sequence in a population. Genetic variation occurs both within and among species, and it is responsible for the evolution of new species.
Genetic variation is the foundation for the evolution of new species. Mutations, gene flow, and genetic drift are the three processes that can cause genetic variation. Mutations are alterations in the DNA sequence, while gene flow refers to the transfer of genetic information from one population to another. Genetic drift, on the other hand, is a random event that causes genetic variation.
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How might we determine if albinism is an inherited or acquired trait?
Answer:
In all types of OCA and some types of OA, albinism is passed on in an autosomal recessive inheritance pattern. This means a child or something else has to get 2 copies of the gene that causes albinism
Which of the following is not used directly by corals for nutrition?
a. Photosynthesis b. Zooxanthellae c. Mucus Tentacles d. Mesenterial filaments
The option that is not directly used by corals for nutrition is (a) Photosynthesis.
Corals have a mutualistic relationship with photosynthetic algae called zooxanthellae (option b). These algae live inside the coral's tissues and provide a significant portion of the coral's nutritional needs through photosynthesis. The energy produced by photosynthesis is transferred to the coral host.
Corals also have mucus tentacles (option c) and mesenterial filaments (option d) that play important roles in their nutrition. Mucus tentacles help capture and trap small particles, such as plankton, which can be consumed by the coral. Mesenterial filaments are specialized structures that aid in the digestion and absorption of nutrients, particularly when corals are feeding on larger prey or during periods of reduced symbiotic activity.
corals themselves do not perform photosynthesis directly. Instead, they rely on the photosynthetic activity of their symbiotic zooxanthellae for a significant portion of their energy and nutrient requirements.
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How do the functions of DNA and RNA differ? *
1 point
DNA directs protein transport, while RNA aids in energy production.
DNA aids in energy production, while RNA directs protein transport.
O
DNA stores genetic information, while RNA relays genetic information for protein
synthesis.
DNA relays genetic information for protein synthesis, while RNA stores genetic
information.
Smoking reduces the surfactant layer in the alveoli. This would cause which of the following to occur? (2 points)
A. Depressed macrophage activity
B. Destroyed red blood cells
C. Reduced ability of gases to diffuse through the water layer
D. Reduced ability of gases to enter or exit the alveolar space
What needs are not being met by a slow-moving or busy line at a school cafeteria? Identify the people, processes, and technologies that play a role in the issue you identified.
The effect of fungicides on bumble bee colonies 1. How many species of Native bees are in North America? 2. What is a fungicide? 3. What is the connection between fungi and bees? 4. What is the researcher investigating? 5. In the experiment, what is the control group? 6. In the experiment, what are the treatments? 7. In the experiment, what is the dependent variable? 8. In the experiment, what is the independent variable? 9. How long was the experiment? 10. What are the conclusions of the experiment? 11. What are the implications of the conclusion? The making the fittest: natural selection and adaptation 1. How did dark-colored rock pocket mice first appear in a population of light- colored rock pocket mice? 2. Can you explain, why do dark-colored rock pocket mice on dark lava flows have white bellies? 3. What are mutations? Are mutations good? 4. How can a majority of a light-colored fur mice population end with 95% of the population of dark-colored fur? 5. What does Dr. Carroll mean when he says, "while mutation is random, natural selection is not"? 6. In the lab, Dr. Nachman examined dark mice from two different populations living hundreds of miles apart. The mice looked nearly identical. Their dark color was caused by two different genes. What does this tell you?
Fungicides are chemical substances used to control or kill fungi. They are a type of pesticide specifically designed to target and eliminate fungal pathogens that can cause diseases in plants, crops, and other organisms.
1. The exact number of native bee species in North America can vary depending on the source and classification systems used. However, it is estimated that there are over 4,000 species of native bees in North America.
2. A fungicide is a type of pesticide that is specifically designed to control or kill fungi. It is used to prevent or treat fungal diseases in plants, crops, and other organisms.
3. Fungi and bees have a connection in terms of their ecological interactions. Fungi play a crucial role in the decomposition of organic matter and nutrient cycling in ecosystems. Bees, including bumble bees, can come into contact with fungi through their habitats and foraging activities. Some fungi can have beneficial or symbiotic relationships with bees, while others can be harmful, causing diseases or negatively impacting bee health.
4. The researcher is investigating the effect of fungicides on bumble bee colonies. The specific focus is on understanding how exposure to fungicides may affect the health and survival of bumble bee colonies.
5. In the experiment, the control group is a group of bumble bee colonies that are not exposed to fungicides. This group serves as a baseline for comparison and allows researchers to assess the impact of fungicides by comparing the treated groups to the untreated control group.
6. In the experiment, the treatments are the different groups of bumble bee colonies that are exposed to varying doses or types of fungicides. These treated groups are compared to the control group to evaluate the effects of fungicide exposure.
7. The dependent variable in the experiment is the health and survival of the bumble bee colonies. Researchers measure factors such as colony size, reproductive success, honey production, and overall colony survival to assess the impact of fungicides on the dependent variable.
8. The independent variable in the experiment is the exposure to fungicides. Researchers manipulate and control the dosage and timing of fungicide application to the treated groups while keeping the control group untreated.
9. The duration of the experiment can vary depending on the specific study design and research objectives. Typically, such experiments may last for several weeks to months to observe the long-term effects of fungicides on bumble bee colonies.
10. The conclusions of the experiment would depend on the specific findings of the study. It could include insights into the effects of fungicides on bumble bee colony health, potential risks to bee populations, or the importance of considering fungicide exposure in bee conservation and management efforts.
11. The implications of the conclusions may vary but could include recommendations for more sustainable pesticide use, considering the potential effects on pollinators, and the importance of further research and monitoring to understand the broader impacts of fungicide use on bee populations and ecosystems.
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Which sequence shows a correct pathway for the
flow of energy in a food chain?
A) bacteria → grass → fox → owl
B) grass grasshopper → frog - snake
C) fungi - beetle → algae - mouse
D) algae → snake → duck → deer
The sequence grass → grasshopper → frog → snake shows a correct pathway for the flow of energy in a food chain (Option B).
In a food chain, primary producers (e.g., plants and algae) generate organic compounds and energy that enter into the chain.The primary consumers (e.g., herbivores) are organisms that eat primary producers.Subsequently, secondary consumers (e.g., carnivores) are organisms that eat primary consumers and so successively in all the levels.In conclusion, the sequence grass → grasshopper → frog → snake shows a correct pathway for the flow of energy in a food chain (Option B).
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2. Carbon has many benefits in an ecosystem. List three helpful ways carbon is used
by humans, plants, and other species:
1)
2)
3)
Carbon is used to build different macromolecules including lipids, carbohydrates and nucleic acids.
Carbon is a fundamental element that is required to build different types of macromolecules.Carbohydrates are biomolecules consisting of carbon, hydrogen, and oxygen.Lipids also contain carbon, hydrogen and oxygen, and they can also contain nitrogen, sulfur and phosphorus.Nucleic acids (and also proteins) contain carbon, hydrogen, oxygen and nitrogen.In conclusion, carbon is used to build different macromolecules including lipids, carbohydrates and nucleic acids.
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Homeostasis is defined as A. the variety of foods that an organism takes in for energy and survival. B. the control of an organism's external environment, in order to increase comfort and outcompete other organisms. C. a condition, similar to hypnotism, in which an organism is made motionless. D. the dynamic regulation of an organism's internal environment to maintain conditions suitable for survival.
Answer:
D. the dynamic regulation of an organism's internal environment to maintain conditions suitable for survival.
Explanation:
T.F: a phylogenetic tree visually depicts the history of the evolution of species, populations, or genes. it is especially useful for studying the lines of descent and relationships among groups.
The visual representation of the history of a species, population, or gene's evolution is a phylogenetic tree. The links and branching patterns between various species or genetic lines are shown diagrammatically. The answer is true.
In biology and evolutionary research, phylogenetic trees are frequently used to examine the connections and lines of descent among collections of species or genes.
Since they offer a means of comprehending the evolutionary history and relatedness of various animals, phylogenetic trees are particularly helpful for examining the lines of descent and connections among groupings. Researchers can forecast common ancestors, infer evolutionary relationships, and learn more about the speciation and diversification processes by examining the branching patterns and the order of splits in the tree.
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Petra finds a discolored stain on the carpet at a suspected crime scene. What two presumptive tests might she use to determine if the stain is blood? First, Petra sprays the discolored area with , which returns a glowing blue color. However, she knows that this chemical might also turn blue with other substances that contain iron. Subsequently, she uses , which turns pink, indicating the presence of hemoglobin.
Answer:
First, Petra sprays the discolored area with
Fluorescein
, which returns a glowing blue color. However, she knows that this chemical might also turn blue with other substances that contain iron. Subsequently, she uses
Phenolphthalein
, which turns pink, indicating the presence of hemoglobin.
Answer:
a. luminol b. phenolphthalein
Explanation:
looked it up, luminol turns green and the other one turns pink
Pleaseeeeee helppppppp
Looking at the chart, I notice a decreasing trend in the data. The total mass of the three US glaciers is declining over time.
How to explain the informationFirstly, the melting of glaciers contributes to a rise in sea levels. This increased water volume can lead to coastal flooding, erosion, and the loss of coastal habitats. Additionally, the melting of glaciers affects freshwater availability in certain regions, as many communities rely on glacial meltwater for drinking water, agriculture, and hydropower.
The lithosphere, hydrosphere, and cryosphere are different components of the Earth's physical systems: The lithosphere refers to the solid, outermost layer of the Earth. It includes the Earth's crust and a portion of the uppermost mantle. The hydrosphere encompasses all the water on Earth, including water in the oceans, seas, lakes, rivers, groundwater, and even water vapor in the atmosphere.
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Which of the following is a primary air pollutant?
smog
photochemical smog
carbon dioxide
ozone
Answer:
the answer is carbon dioxide
Knowing that birds are endothermic and crocodiles are ectothermic, can you use phylogenetic bracketing to predict whether dinosaurs other than birds are ectothermic or endothermic Match the words in the left column to the appropriate blanks in the sentences on the right. Terms can be used once, more than once, or not at all
- can - endothermic - birds - crocodiles
- ectothermic - cannot
We ___ use phylogenetic bracketing to predict whether dinosaurs other than birds were ____. We only ____ conclude that the dinosaur that gave rise to ____ was ____ as are all living ____.
Phylogenetic bracketing cannot be used to predict whether dinosaurs other than birds were endothermic or ectothermic.
The only conclusion that can be drawn is that the dinosaur that gave rise to birds was endothermic, based on the fact that birds are endothermic.
Phylogenetic bracketing involves making inferences about the characteristics of extinct organisms based on the characteristics of their living relatives. In this case, we know that birds are endothermic (warm-blooded) and crocodiles are ectothermic (cold-blooded). However, the presence of endothermy in birds does not necessarily imply that all dinosaurs, including non-avian dinosaurs, were endothermic.
Phylogenetic bracketing can only be used to infer characteristics in extinct organisms if those characteristics are found in all living descendants of a common ancestor. Since birds are the only living descendants of dinosaurs, we can only conclude that the dinosaur that gave rise to birds was endothermic. The characteristics of non-avian dinosaurs, whether they were endothermic or ectothermic, cannot be determined through phylogenetic bracketing alone.
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