Speciation has occurred when:
A. divergent populations evolve to the point where interbreedin...
Speciation has occurred when:
A. divergent populations evolve to the point where interbreeding does not produce viable, fertile offspring.
B. mutations in a population reach 100% of the organisms in that population.
C. organisms from a single species are separated by a physical barrier.
D. a DNA sequence is changed, resulting in an altered protein product.
E. an alteration in an organism's genetic material is made permanent.
Answers: 2
Biology, 21.06.2019 17:30
Suppose you are estimating the size of a blue crab population. what is the population size if the number marked in the first catch is 40, the total number in the second catch is 200, and the number marked in the second catch is 50?
Answers: 1
Biology, 22.06.2019 02:30
4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate
Answers: 3
Biology, 22.06.2019 05:00
Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.
Answers: 2
Biology, 22.06.2019 13:00
Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land
Answers: 1
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