Answer:
kidneys, large intestine, skin, and lungs.
Explanation:
They all excrete
Answer:
Many small organisms can be preserved within these layers of sediment through time. The changing abundances of these fossils through time can tell us whether a change in the environment or climate was gradual or abrupt. Studying fossil pollen and other fossils helps scientists to learn more about climate change.
Hypothesis: Daphnias can increase in population at a room
temperature, rather than a colder or warmer temperature.
Control group will be at a room temperature water. The experimental will be tested in cold and warmer waters.
Independent variable: change of water temperature.
The data will be the amount of growth in which the water fleas population increases or decreases, a bar graph would work.
You could do a volcano or a rocket ship, or make them bulid atoms,
