Answer:
Explanation:
The protons and neutrons huddle together in the nucleus, or center, of the atom, while the electrons spin around the nucleus. ... An element is a pure substance that is made from one single type of atom. For example, gold is an element that is made up of gold atoms. Oxygen is an element made up of oxygen atoms.
Answer:
Algae
Explanation:
Algae absorbs energy from the sun which is then transferred to the krill that eat the algae, then the herring that eats the krill and so on
Answer:
it is called permissive interaction
Explanation:
The function a a sperm is to pass on the necessary biological information required for a new organism to be produced.
Answer:
1678
Explanation:
In 1678, Antoni van Leeuwenhoek reported that he had observed "little animals" — protozoa — through a microscope. The discovery of the cell was made possible by the invention of the microscope, which was made possible by improved lens-grinding techniques.
