Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

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

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

What statements describe a host organism?