Describe the structure and function of each of the following organelles: a. DNA in the nucleus
b. Cell membrane
c. Ribosomes in endoplasmic reticulum
d. Ribosomes in cytoplasm
e. Golgi body
f. Lysosomes
g. Vesicles
h. Chloroplasts
i. Cell wall
j. Mitochondria

Many state and local authorities are making laws regarding recreation on lakes, rivers, and oceans to reduce water pollution. why would lawmakers need to consult with scientists before making these laws? a) to make scientists feel important b) so that the laws reduce pollution by a sufficient amount c) so that parks and lakefront facilities will still make large profits d) so that the public will believe that the laws are important to follow

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .