How are food chains and food webs alike and different?

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000