Biology, 10.12.2020 20:00 lenaaemersonn2
Read the following selection and use the passage to answer the following questions
Usually, large secondary or tertiary consumers near the top of the food web, such as wolves, sea stars, sharks, and sea otters, are considered keystone
species. Theses predators, control populations of herbivores, which, in the absence of predators, other types, could multiply and greatly change the plant
community. However, other types if organisms also can exert strong community-wide effects. "Ecosystem engineers' physically modify the environment
shared by community members. Beavers build dams and turn streams into ponds that flood acres of dry land and turn them to swamp. Small organisms
and those toward the bottoms of food web may have even greater impact. Remove the fungi that decompose dead matter or the insects that control plant
growth, and a community may change very rapidly indeed.
Question:
Which of the following would make the best BEST title for this selection?
"Keystone Species in Yellowstone Park"
"Defining Trophic Levels
"Surprising Keystone Species
"Do Keystone Species Exist?
Answers: 2
Biology, 21.06.2019 21:30
This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.
Answers: 1
Biology, 22.06.2019 10:30
Error analysis: what might be the reason that some of your percentages didn't exactly match your predicted results? gametes aren't responsible for inheritance. mice don't have large litters, so the sample size was not large enough. the wrong type of mice were used.
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Biology, 22.06.2019 12:40
In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%
Answers: 3
Read the following selection and use the passage to answer the following questions
Usually, large s...
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