Which disruption in the water cycle would most likely affect photosynthesis?

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

What is the best-known carbohydrate?

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.