Which of the following is an example of a population?
1.all of the Bent-nosed clams in a mudflat in Elkhorn Slough, California
2.all of the invertebrates living in a mudflat in Elkhorn Slough, California
3.all of the organisms in a mudflat in Elkhorn Slough, California interacting with the physical and chemical environment
4.all regions of the Earth’s crust, waters, and atmosphere in which organisms live
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Molecular phylogenies show all land plants are a monophyletic group. This suggests that _____
A) there were many different transitions from aquatic to terrestrial habitats B) wind-pollinated plants arose first C) land plants have undergone a diversification since they first colonized terrestrial habitats D) there was a single transition from aquatic to terrestrial habitats
Which of the following amino acids is a target for phosphorylation by a protein kinase?
A. Tyr B. Ala C. Arg D. Gly
The species richness of insects on trees can be predicted by which of the following? Check all that apply.
_____ the time hypothesis _____ the evapotranspiration rate _____ the area hypothesis _____ the average body size of insects
In humans, alleles for each gene are inherited from
A. either the mother or father depending on the gene. B. the mother and the father (one allele from each parent). C. the mother only. D. the father only. E. None of the answer choices is correct.