Which of the following are basic needs for animals? a. food, water, sunlight, space, and shelter b. food, water, oxygen, space, and shelter c. water, oxygen, space, shelter and relaxation d. shelter, water, food and protection

Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons

Based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ?

Which of these internal feedback reactions does not need your brain? oa. your leg jumping when it is hit by a reflex hammer b. your deeper breathing when you need more oxygen c. your body temperature rising when you have an infection d. your heart beating faster when you are in danger