Astudent viewing a cell with a microscop observes a cell wall, a cell membrane, and a nucleus. the presence of these structures indicates that the student is looking at a a (1) rabbit (3) worm (2) carrot (4) fly

Robert wants to know which fertilizer will work the best for his grass. what can he do to explore this inquiry?

92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.