Why is hydrogen oxidation widespread in the tree of life?
a. The hydrogen couple is extremely electronegative.
b. Most microogranisms are aerobes.
c. It is necessary to create reducing power.
d. Phototrophs may be found in every domain.
Answer: A
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Which is an example of temporal isolation?
A. one plant species blooms in June-July and a second plant species blooms in August-September. B. one plant species is pollinated by bees and a second plant species is pollinated by moths. C. two plant species live on the same mountainside, but one lives on rocky outcrops and the other in open meadows. D. two plant species have incompatible gametes. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about temporal isolation? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
How would you expect a disease of cartilage formation to affect bone development?
A. Cartilage is used for other tissues, not bone, so it will not affect bone development. B. The epiphysis is formed of cartilage so that will be disrupted, but otherwise the bone will be normal. C. It would greatly disrupt bone development, since bones are originally formed of cartilage that becomes replaced. D. Cartilage defects will affect bone only via the effect on tendons and ligaments.
In the Lotka-Volterra model of predator-prey interactions, population growth is regulated through
A) reproduction for both predator and prey. B) reproduction for the predator and mortality for the prey. C) reproduction for the prey and mortality for the predator. D) mortality for both predator and prey.
Hematopoietic tissue in bones
What will be an ideal response?