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— is when different organisms evolve similar characteristics while evolution — is when similar organisms evolve differently.

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Living organisms do not play a role in the water cycle. True Or false?

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What is the main role of a hormone?

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What is unusual about organisms in the domain Archaea? A. They live in extreme environmental conditions. B. They are very large. C. Their rate of reproduction is very fast. D. They are complex, multicellular organisms.

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The production of which substance by using cell technology allows scientists to make treatments that can target specific types of cancer cells? a. steroid hormones b. fat-soluble vitamins c. monoclonal antibodies d. complex proteins

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Some unicellular organisms are similar to _______ because they have the ability to _______. reptiles, lay eggs plants, produce sound animals, move birds, fly

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What natural methods removes carbon dioxide from the atmosphere?

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A strawberry plant is an example of a plant that can reproduce through the process of vegetative reproduction. Are the offspring of the strawberry plant genetically identical or genetically different from the parent? Explain your answer.

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Global climate change is a concern to scientists because it_______. a. is a natural process unaffected by humans b. has never changed before c. can have drastic effects to life on Earth d. can happen overnight

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Which of the following is a stressful environmental condition found in degraded areas of New York City? a. The soils are more contaminated, compacted, and disturbed. b. There are too many essential organisms in the soil. c. Surrounding wetlands absorb water too quickly. d. Brownfields tend to be cooler and drier than other areas.

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An individual hydra is swept by an ocean current to an area of the ocean where no other hydras reside. The hydra asexually reproduces, as does its offspring, until there is a population of genetically identical hydra. Is it possible for this population to undergo natural selection? A. Yes, the population will undergo changes in order to become better adapted to the new environment. B. No, there is no genetic variation upon which natural selection can operate. C. Yes, all populations are capable of undergoing natural selection. D. No, natural selection does not occur in organisms that reproduce asexually.

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There is little variety among organisms found in pools, ponds, and lakes. Please select the best answer from the choices provided T F

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What technological advance in the Industrial Revolution sparked a population explosion? A. Medical and public health practices spread to less-developed countries. B. Antibiotics were introduced. C. Agriculture was introduced. D. Agriculture became mechanized.

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Finch species living on the islands exhibit a variety of beak types that favor different foods.finches that eat seeds and plant parts have beaks of the shorter, thicker variety while finches that eat insects and other small organisms have thin, pointed beaks. drought has hit the galapagos islands. plant species are dying out; seeds and nuts have all but vanished. of these four finch species, which is most likely to survive under these conditions?

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What are examples of directional selection

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HEEEEEEEEEEELLLLLLLPPPPP which of the following is a concern about the use of genetically modified plants in growing food? a. genetically modified plants may require more pesticides. b. genetically modified plants may not break down normally and cause recycling problems. c. genetically modified plants may be more susceptible to disease d. genetically modified plants may harm organisms that were never indented to be harmed.

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Which examples describe how a bear will overcome the challenge of maintaining its structure? Choose all answers that are correct. A. The bear’s wound will heal after an injury by forming a scab. B. The bear will go into hibernation when winter arrives to preserve energy and heat. C. The bear will reproduce. D. The bear will defend itself against threats.

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1. Mike injured his knee while playing. Examination revealed that the injured area was red, swollen, and warmer than the surrounding area. What does this condition indicate? an inflammation a tumor–like growth a hemorrhage 2. When a virus invades the body, some B cells recognize it as nonself and produce plasma cells that release a substance to kill the virus. What is this substance called? antigen antibody pathogen 3. Which of the following forms blood clots? fibrin macrophages thrombin 4. An antigen has invaded a mammal’s body. Specific immune cells engulf and ingest it. Some of the digested pieces are displayed on the cells’ bodies. What happens next? B cells are activated and release antibodies. T cells are activated and produce clones. B cells withdraw the immune response as the antigen is killed.

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1. One way that fossils form by the dead organism’s soft tissue is ________ by sediments such as sand. A. repaired B. replaced C. preserved D. bonded 2. A female bird develops a preference for males who can perform a particular dance. This is an example of something that could lead to A. temporal isolation. B. nutritional isolation. C. geographic isolation. D. behavioral isolation. 3. Growing up, Darwin saw that farm animals with preferred traits were chosen for breeding. Those chosen animals usually produced offspring with the preferred traits. This best illustrates the process of A. natural selection. B. evolution. C. artificial selection. D. genetic engineering.

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All of the changes that take place during the life of an organism are known as

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Two organisms are in the same phylum but not the same class.another pair of organisms are in the same genus. witch pair has more in common?why?

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Why is the cells ability to differentiate an advantage to multicellular organism

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Disease causing organisms are known as

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Bacteria that break down dead organisms and wastes are called

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Outgoing tides can pull organisms out of the intertidal zone and into the open ocean. How does this limit the number of organisms that can live in the intertidal zone? A) competition remains at a steady level b) returning to the habitat is difficult c) salinity increases d) water quality changes

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The cells of unicellular organisms are A. Specialized to perform different tasks B. Larger than those of multicellular organisms C. Able to carry out all of the functions necessary for life D. Unable to respond to changes in their environment

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1. What did you eat for breakfast this morning? 2. How does breakfast provide energy for you to survive and/or thrive in Biology class today? 3. If you didn’t/don’t eat breakfast, where are you getting this energy from?

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Some unicellular organisms are similar to _______ because they have the ability to _______. reptiles, lay eggs plants, produce sound animals, move birds, fly

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Which would least likely result from a chromosomal change? A) death of the cell or organism B) no effect on the cell or organism C) enhanced ability of the organism to reproduce D) change to the phenotype of the organism

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Which of the following is true of ecological succession? Select one: a. Pioneer organisms move into to new communities first b. Primary productivity decreases as succession proceeds c. Secondary succession takes place within new communities with no previous soil d. All of the above are true

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