Answer:
1. vacuole
2. chloroplasts
3. ribosomes
4. vesicles
6. nucleus
9. ribosomes
12. mitochondria
13. golgi apparatus
15. ER (endoplasmic reticulum)
Explanation:
1. Living and non living things in an ecosystem are called biotic and abiotic factors respectively.
Living things include: plants, animals, microorganisms and non-living things include: sunlight, temperature, gases, water etc.
2. Ecosystem, population, biosphere, community.
Answer:
foreign molecules in the body
Any change or random error in a DNA sequence is called a mutation.
