Questions and answers by

kaite marie

Questions (360)

When separated populations cannot mate with each other this is called?Capture.jpg a natural selection b interbreeding c
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If a population experiences no migration, is very large, has no mutations, has random mating, and there is no selection, which
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Photosynthesis and cellular respiration are the driving biological forces behind which of the following cycles?a water cycle b
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The diagram shows colonies of different species of bacteria in a growth medium before antibiotic treatment, during treatment,
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When humans select for desirable traits in agricultural products or animals, rather than leaving the species to evolve and
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The diagram shows a population before and after a chance event.Which statement describes how the new population is changed after
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aPsocoptera b Odonata c Diptera d Ephemeroptera
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Directions: The picture shows a forest before and after a fire. Use the picture to answer any questions that follow.Which of the
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Read the passage about plankton algae.Plankton algae are microscopic algae that live in water. In a healthy pond ecosystem,
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Why are water conservation and pollution control important for future generations?a Waste will lead to less water in the oceans,
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A species of rabbit lives in a meadow where grass plants are readily available during summer months. The rabbits do not stray
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A researcher is recording and monitoring data about a population of plankton-eating fish. When she analyzes the data, she notes
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Select all that apply.A new sea star species has been identified in Australia. This species is a hermaphrodite that
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In this food chain, the spiders are —a autotrophs b producers c primary consumers d secondary consumers
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The photograph below shows a forest that has been affected by acid rain.How has the chemical change in precipitation affected
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Scientists researching Pacific sea otters find that many members of the population are infected by a parasite, and a number of
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Why does a pesticide lose its effectiveness over time?a The pests become resistant. b The pests become contaminated. c The
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aPuffer fish b Cornetfish c Snapper d Flounder
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The main reservoir of nitrogen can be found in the _____________.a Biosphere b Lithosphere c Hydrosphere d Atmosphere
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The text box below contains facts about salmon.How do populations of juvenile salmon respond to changes in salinity as they
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Read the passage about a Drosophila (fruit fly) experiment.A sample of Drosophila is separated into two halves. One half is
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Analyze the cladograms. What is the best description of these two clads?identical_clad.jpg a The clades are different. b They
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Select one of the following issues as the cause of most other environmental impacts caused by humans?a Human population growth b
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A volcano erupted in the South Pacific, forming a series of small basalt islands. Over time, the tropical islands came to be
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Imagine you are a systematist who has discovered an unfamiliar animal. Which of the following observations about the animal will
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What Viruses and Bacteria Have in Common?Although viruses and bacteria are different, they do share several similarities. Some
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Comparative anatomy shows that the bones in the leg of a horse, arm of a human, and wing of a bird have very similar structure.
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Select three process that can increase the variation of a species.a budding b selective breeding c genetic engineering d cloning
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A scientist is performing an investigation using biochemistry. She compares the sequence of amino acids in the protein
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It is believed that wild turkeys are descended from a peafowl-like, or peacock-like, ancestor. Look at the two photographs. The
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A mutation introduces a new skin color in a grasshopper population. Which factor might determine whether the frequency of the
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Which statement best describes the scientific community's current understanding of natural selection?a Natural selection causes
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When a new viral infection appears, scientists try to develop a vaccine to destroy the virus. What would most likely be
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Why does a pesticide lose its effectiveness over time?a The pesticide expires within a week of being sprayed. b The pesticide
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Which of the following phrases does NOT describe Yerba Mate?* 1 point A drink A pumpkin A peach An Antioxidant Agent
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Match each term with the appropriate amount of time.* 5 points Seven days One Hundred Years Twenty-four hours four weeks 12
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Match the following statements to whichever country it belongs.* 6 points Bolivia Paraguay Uruguay It has two capitals It
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Match the following statements to whichever country it belongs.* 6 points Bolivia Paraguay Uruguay It has two capitals It
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Question 28Match the keyword to the correct definition.
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Match the UNIT 6 Key Terms to their correct definition.100+ Key Pictures | Download Free Images on Unsplash Column A 1. adenine:
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1.adenine: adenine 2. base pairing: base pairing 3. cytosine: cytosine 4. guanine: guanine 5. thymine: thymine 6. Inversion
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Many people with diabetes require insulin to stay alive. Which best explains why the gene for human insulin is transferred into
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Which human trait is an example of polygenic inheritance?a height b attached ear lobes c Huntington's disease d the ABO blood
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Question 34When studying pea plants, Gregor Mendel made many interesting discoveries and came to a few conclusions about what
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Sarah has type A blood, and Jesse has type O blood. Their son has type B blood. Can Jesse be the baby daddy? He is a bit
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A farmer is breeding two different types of plants with varying patterns of inheritance. For Plant Type A, the allele for red
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The graph below shows the growth of a fruit fly population.Which statement best describes what is occurring with the fruit fly
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The graph shows the population growth of a colony of insects over time.Which statement below best explains what might have
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All of the following are forms of density-independent population control EXCEPTa habitat destruction. b competition. c flood
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Select all the factors that can affect a population that is growing too large.Choose more than 1. a increased predation b
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The graph above represents which characteristic type of population growth?a geometric b declining c exponential d logistic
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Question 24Japanese Beetles Back in Georgia Vineyards - American Vineyard Magazine a became extinct in the late 1980s. b are
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Column AColumn A 1. Biodiversity: Biodiversity 2. Primary consumer: Primary consumer 3. Primary succession: Primary succession
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What may cause a population to temporarily overshoot its carrying capacity?a an increase in predators b a decrease in birth
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Which of the following is an example of a benefit of species diversity in an ecosystem?a After a forest fire, some species are
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Select one of the following issues as the cause of most other environmental impacts caused by humans?a Reducing, recycling and
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Which statement best describes ATP?a It is created when cells undergo replication. b It is transported out of cells as a waste
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Some fragile ecosystems, such as deserts, can only support a certain number of organisms. What is the term for this limit?a
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Scientists study a population of crop pest insects in wheat farmlands. They create a graph of the population data, shown.image
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What may cause a population to temporarily overshoot its carrying capacity?a an increase in emigration b an increase in
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All of the following are forms of density-independent population control EXCEPTa competition. b pollution. c flood destruction.
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NEWS BULLETINDirections: The information is from a news bulletin about wildfires. Use the news bulletin to answer any questions
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In some forests and parks containing varieties of flowering trees and shrubs, there are signs that read, "Take nothing but
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The wildfires suffered by East Texas in the fall of 2011 were extremely severe. Wildlife biologists have determined that the
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Chloe is investigating the population size of rabbits in a woodland ecosystem. She researches the known population of rabbits
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A student is investigating the effect of light intensity on the rate of photosynthesis. She observes that as light intensity
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There are only about 100 Florida panthers living in the wild. Which of the following is NOT a reason why the Florida panther has
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Leaves of green plants contain openings known as stomata. These are opened and closed by specialized cells that allow gases to
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a0% b 25% c 75% d 100%
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What would exhibit primary succession?a a rock exposed by a retreating glacier b a clear-cut forest used to make paper c newly
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Column A1. genetic material: genetic material 2. adenine: adenine 3. base pairing: base pairing 4. cytosine: cytosine 5.
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Perfect Match GIF - Match Perfect - Discover & Share GIFsColumn A 1. Biodiversity: Biodiversity 2. Primary consumer: Primary
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The graph below shows the growth of a fruit fly population.Which statement best describes what is occurring with the fruit fly
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The relationship in which the ant keeps predators away from the acacia tree and, in turn, the acacia tree provides shelter and
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If land and water resources are damaged or lost due to poor agricultural management practices, which group will be the most
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Why are water conservation and pollution control important for future generations?a Pollution and waste will lead to a shortage
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Column A1. Chemical reaction: Chemical reaction 2. Alleles: Alleles 3. Meiosis: Meiosis 4. Photosynthesis: Photosynthesis 5.
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Suppose a population of insects in a lab has been fed a restricted diet and kept in an enclosed container. The insects have
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Which of the following is an example of a benefit of species diversity in an ecosystem?a After a period of drought, certain
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Carbon Cycle - Please answer the following using the words in the word bank(Word bank words can be used either once, or not at
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In some forests and parks containing varieties of flowering trees and shrubs, there are signs that read, "Take nothing but
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"Natural ecosystems provide an array of basic processes that affect and support humans."Which statement does not support this
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aDD b Dd c male with dimples d female without dimples
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Assume that two strands of DNA have been separated and that the base sequence on one strand is TTGC. What is the sequence of
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Scientists researching Pacific sea otters find that many members of the population are infected by a parasite, and a number of
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Which of the following would the introduction of hardy, generalist non-native species most likely cause?a increase in the amount
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A student sets up an investigation by placing a plastic bag over a plant. She secures the plastic bag so that it is completely
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The predator - prey relationship is based primarily on the quest for _______.Predation - ScienceAid a energy b water c space d
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All of the following are forms of density-independent population control EXCEPTa flood destruction. b pollution. c habitat
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Which of the following refers to a population reaching a size where increased growth can no longer be supported by available
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Which of the following refers to the maximum number of individuals a habitat can support over time?a death rate potential b
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Scientists study a population of new insects in a forest ecosystem. They create a graph of the population data, shown.When does
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Match the vocabulary words to the correct definitionColumn A 1. Ecology: Ecology 2. abiotic factors: abiotic factors 3. biome:
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Question 7Mrs. Wright's bees play a central role in the health of terrestrial ecosystems because they are vital to the
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Question 6The regrowth of a forest after a devastating fire is an example of what process? a primary succession b secondary
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Which of the following cause eutrophication in a lake?a polluted sediments b heavy metals c toxic chemicals d excessive
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How might an oil spill affect organisms in a marine ecosystem?Study reveals sunlight can help dissolve oil into seawater a It
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What would most likely occur over time if the burning and clearing of tropical rainforests stopped?a a decrease in the source of
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According to the diagram above, an area of the ocean has producers. These producers are surface dwelling that make their own
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How are the movements of energy and chemicals (matter) through living things in ecosystems different?a Energy forms chemical
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