Which of the following best explains the environmental problems associated with trawling?
a. trawling always destroys sea floor ecologies.
b. trawling gathers fish indiscriminately.
c. trawling is too selective at gathering fish.
d. all of the above

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

Select the correct answer. what is the observable characteristic of a person called? o a. genotypephenotypeoc. alleleo d. gene