Answer:
The fossils that are found in the present day includes both heterotrophs and autotrophs. Those organism that can prepare their own food in the presence of sunlight, water and carbon dioxide, by the process of photosynthesis are considered as the autotrophs
C.)The waste of animals returns nitrogen to the nitrogen cycle.
Answer:
Newton's 3rd Law
Explanation:
every action has an equal and opposite reaction.
you step on the Lego which pushes a force on the Lego (down), and the Lego gets you back by pushing it's force on you(up).
Answer:
Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. ... The excretory organs remove these wastes.
Explanation:
from google tbh, have a nice day!
They filter out carbon dioxide, a greenhouse gas, and they produce oxygen as a by-product of photosynthesis. Of course, oxygen is crucial for essential life processes such as cellular respiration.