Biology, 01.10.2019 16:00 trillsmith
2. antigens can trigger an immune response. explain if this is a specific or a nonspecific defense.
Answers: 2
Biology, 21.06.2019 21:30
Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1
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Biology, 21.06.2019 22:00
Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.
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Biology, 22.06.2019 05:40
Why do we perceive objects as retaining their brightness under different lighting levels?
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Biology, 22.06.2019 07:40
Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one
Answers: 1
2. antigens can trigger an immune response. explain if this is a specific or a nonspecific defense....
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