Answer:
1. Ribosomes
10. Osmosis
11. Cell membrane
12. Solvent
13. Cytoplasm
15. Organ
16. Permeable
17. Specialized cells
18. Solute
19. Active transport
2. Electron microscope
3. Organelles
4. Mitochondria
5. An Organ system
6. Optical microscope
7. Tissue
8. Concentration gradient
9. Nucleus
14. Diffusion
The answer is C, The population of an area decreases
They start their life in water as a tadpole then they adapt to land and go through metamorphosis to become a frog
Answer: The correct statement is : all the inner planets are dense.
Explanation;
Inner planets are the planets before the asteroid belt lying closer to sun. Earth. mercury Mars , Venus are the inner planets. They smaller and rockier.
Outer planets are the planets after the asteroid belt away from the sun.Saturn, Jupiter, Uranus, Neptune are outer planets.They are mostly made up of gases.
Since, the solid state is more denser than the gases state which means that inner planets made up of rocks are more denser than the outer planets made up of gases.
Tes·tos·ter·one<span>teˈstästəˌrōn/</span>nouna steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex