three advantages of sexual reproduction are: genetic , resistance to unfavorable conditions, and produces disease free seed plants.

fill in the blank.

consistency
variations

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm