1.why is it important not to make a deep cut with the scissors when dissecting an animal?
2.h...
1.why is it important not to make a deep cut with the scissors when dissecting an animal?
2.how does an earthworms digestive system adapt it to filtering food out of soil?
3.describe two ways in which an earthworms body is adapted to life in the soil.
4.imagine an assembly line for disassembling things instead of putting them together. compare an earthworms tubelike digestive system to such a disassembly line. what is the advantage of a tubelike digestive system?
5.describe one way in which an earthworm is poorly adapted to life on land.
6.how might an earthworms lack of appendages be an adaptation to burrowing?
7.explain how an earthworm enriches and aerates soil, thus improving it for plant growth.
Answers: 2
Biology, 21.06.2019 17:30, 365371
Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.
Answers: 1
Biology, 22.06.2019 09:00, xelynncaldera
In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.
Answers: 1
Biology, 22.06.2019 11:10, allisonpierce1787
Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water. b. they use chlorophyll and oxygen to make carbon dioxide and water. c. they use sunlight, water, and carbon dioxide to make sugars. d. they use sunlight, water, and oxygen to make chlorophyll.
Answers: 1
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