Question

1 what do biologists use to know more about molecules and cells? a they use microscopes b they use their own eyes c they use telescopes 2 what are examples of multicellular organisms? a single - celled organisms b humans, animals, and plants c nonliving things 3 what were the first type of cells on earth? a eukaryotic cells b animal cells c prokaryotic cells 4 which cells are used for communication? a muscle cells b white blood cells c neurons 5 what do organelles do? a they work together to keep the cell alive b they all have the same job c they form colonies

Explanation:

1. Microscopes help view small - scale cells and molecules.
2. Humans, animals, plants are multicellular.
3. Prokaryotes were first cells.
4. Neurons are for communication.
5. Organelles maintain cell life.

Answer:

1. A. They use microscopes
2. B. Humans, animals, and plants
3. C. Prokaryotic cells
4. C. Neurons
5. A. They work together to keep the cell alive