state which part of a plant cell makes food by photosynthesis , release energy from food , controls what goes in and out of the cell , stores information about making proteins , contains cell sap , protects the outside of cell

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species