Most seeds are dormant until

a. conditions are favorable.
b. drastic conditions are present.
c. the timing is right.
d. conditions are favorable and the timing is right


D

Biology & Microbiology

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Which of the following is not a eukaryotic retrotransposon?

A. gypsy B. Ty elements C. LINEs D. SINEs E. Tc1/mariner

Biology & Microbiology

Which of the following is a major finding from the ENCODE project?

A. DNA methylation usually signifies the activation of gene expression B. In humans, one gene encodes exactly one protein. C. Gene regulation is achieved through a complex network of regulatory regions throughout the genome. D. Less than 20% of human DNA is linked to biological function. E. There are more than 10 million regulatory sites in human DNA.

Biology & Microbiology

Burrowing animals allow oxygen to penetrate deeper into the sediment

Indicate whether the statement is true or false

Biology & Microbiology

Which of the following factors could be important in determining a species' fundamental niche? Check all that apply.  

_____  salinity _____  presence of a commensalist  _____  soil type _____  presence of a predator/parasite _____  seasonal temperatures 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 fundamental niches and what factors influence the niche? What other information is related to the question?  Choose Answer: Given what you now know, what information is most likely to produce the correct answer?   Reflection 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?  

Biology & Microbiology