Two different flowers are given to you in the practical class.

(i) Maize

(iii) Hibiscus You are asked to

group them based on pollinating

agents. Describe the adaptions of

each flower related with the agents

of pollination

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?

What is the compliment dna strand to the following sequence: ttgactaggcta

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.