Biology

PLEASE HELPWhich of the following increases genetic variation by forming entirely new alleles? Natural selection Genetic drift Mutation Gene flow
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Which of the following statements is correct?A. Landfills solved pollution problems caused by waste disposal.B. Wastewater from cities no longer carries toxic chemicals into waterways.C. Laws regulating waste disposal have put an end to pollution problems caused by waste.D. Much of the pollution in our environment is a byproduct of inadequate waste disposal.
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What is the biological impact of minimum catch sizes on a population of fish? a. The population comes to be dominated by smaller, slower-growing individuals. b. Older, less productive adults are removed, improving the populations health. c. It applies a selective pressure for larger, faster growing fish. d. The fish in the population produce more and healthier eggs to compensate.
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Scott was looking at the results of a cross between red and white flowers. Which is the most likely result of a cross that demonstrates incomplete dominance?
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Where do winds come from? Explain your answer.Explain your answer in your own words.
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The term that describes the allele that determines the phenotype of an individual organism when two different copies are present in the genotype is?A. RecessiveB. NucleusC. DominantD. Eukaryotic
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What are some potentialdrawbacks of genetically-modifying organisms?
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Where does fertilization take place?A. ovaryB. style
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What evidence have you discovered to explain how cells are organized in the body, similar to the way dots in pointillism art is organized.
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For this structural characteristic, decide if it is a characteristic of DNA, a characteristic of RNA, a characteristic of both or a characteristic of neither? It contains thymine as a base
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Read the passage. Then write a paragraph that explains why the two ecosystems have such different kinds of plants. Use the terms biotic factor, abiotic factor, and limiting factor in your explanation. Passage A group of students is studying the types of plants that grow in a field next to the school. The field is mowed regularly, but it does not get any water other than rainfall. The field has several kinds of plants that are typically found in a grassland ecosystem. But it has none of the plants found in a nearby forest ecosystem.
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Which statement best describes a difference between a molecule of DNA and a molecule of RNA? A)DNA contains genetic informationwhile RNA does not B)RNA contains the letter in place of the letter T in DNA C)DNA has 1 strand, while RNA has 2 D)RNA uses the letter C. while DNA does not
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names for mutant animals (like fantasy help pls)
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PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!
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2. People with diabetes must give themselves insulin injections after they eat - how doesthis help them?
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Explain how colonial organisms may have evolved into eukaryotic cells.
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Alec saw footage of a landslide on the news. He saw rocks falling from the side of a mountain, with some of them smashing into each other and breaking apart. Select two of the processes Alec witnessed.A cementingB compactingC erosionD sedimentationE weatheringF deposition
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what is an example of simple sugar
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Ferns reproduce by making a huge number of spores. How does this help the ferns survive? It allows the ferns to absorb moisture from other plants. It increases the chance of new ferns growing. It keeps the ferns from drying out in hot weather. It makes the ferns live shorter life cycles.
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After a hunt a wolf eats more than it needs at that time. the extra glucose combines to form which substance?
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Which of these would be an example of cultural bias in profiling? a) Investigators are sure that their suspect is a tall male because they have found large footprints in the mud. b) Investigators conclude that the victim allowed the suspect to enter the home, so they knew each other.C) Investigators say that the suspect must be of a certain minority because that is who usually commits the crime in their precinct. d) Investigators look for all the people leaving the crime scene to see if they are possible suspects.
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Next >Muscular Strength and Endurance: Mastery Test4Select the correct answer.What must skeletal muscles do to move?A.engage their fibers slowly.twitch involuntarilyOc.separate from the boneO D.contract and relaxResetNext
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Using the information in the table below, determine the amino acidsequencethat is coded for by this mRNA sequence.
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This cell will have long thin branches that can reach out to other cells, allowing the cellsto (send signals) be affected by and affect this cell.what cell is this?
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