Biology, 16.10.2020 07:01 jarednash015
The number one reason organisms become endangered and/or go extinct is because of
a. poaching/illegal hunting
b. invasive species
c. pollution
d. habitat loss
Answers: 1
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What is the name for a substance formed in a chemical reaction
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Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.
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Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen
Answers: 2
Biology, 22.06.2019 14:30
Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.
Answers: 2
The number one reason organisms become endangered and/or go extinct is because of
a. poaching/illeg...
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