Answer the following statements true (T) or false (F)
1.The term abiotic means "nonliving."
2.The reliance of a plant on one type of insect for pollination and that insect having only the nectar of that plant as its food source is an example of coevolution.
3.Resource partitioning allows only a single species to use a resource.
4.Parasitism is a symbiotic relationship in which neither member of the relationship benefits.
5.An example of a keystone species is a root-associated fungus that conifer trees need in order to survive and that supply food for rodents.
1.TRUE
2.TRUE
3.FALSE
4.FALSE
5.TRUE
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During prophase, duplicated chromosomes
a. consist of chromatids. b. contain centromeres. c. consist of nucleoproteins. d. contain all of the above.
Evidence from vascular tissues and developmental stages suggests that stamens evolved from:a
stems. b. pollen grains. c. roots. d. leaves. e. megasporangia
The RecFOR complex is called a recombination mediator. To what function of the complex is this referring?
What will be an ideal response?
One form of hemophilia is caused by a sex-linked recessive gene. Assume that a man with hemophilia marries a phenotypically normal woman whose father had hemophilia
What is the probability that they will have a daughter with hemophilia? (Note: In this problem, you must include the probability of having a daughter in your computation of the final probability.) A) 1/4 B) 3/4 C) 1/8 D) 1/16 E) 1/2