How much do you know about biological terms? (2)

QUESTIONS
1. What do you call a plant that is not native to the area in which it is growing?
2. What term is applied to the change from one stage in an organism’s life cycle
to another?
3. What is the name for a unit of a chromosome that codes for specific hereditary
traits?
4. What is the term for the single-celled organisms, either plant or animal, that
float on or near the surface of the oceans, including small crustaceans, algae
and protozoa?
5. What is the main root of a plant called, the one which reaches deep
underground?
6. What name is given to any invertebrate animal that resembles a plant, e.g. coral?
7. What are the basic chemical units called, from which proteins are synthesised
by the body?
8. What name is given to the fully developed ovule containing a dormant embryo
plant?
9. What is the fertilised egg cell of a plant or animal called?
10. What is the material found within the nucleus of a call called?
11. What is the first stage in the development of a plant seed called?
12. What name is given to the outer covering of a plant or animal that is essentially
waterproof and protective?
13. What term is given to the successive stages, usually functional and morphological,
through which organisms pass?
14. What is the name give to the relationship between two organisms in which one
organism benefits but the other does not, or is harmed?
15. What is the relationship between two organisms in which both partners
benefit?

ANSWERS
1. Exotic. 2. Metamorphosis. 3. Gene. 4. Plankton. 5.Taproot. 6. Zoophyte. 7.Amino
acids. 8. Seed. 9. Zygote. 10. Nucleoplasm. 11. Germination. 12. Epidermis. 13. Life
cycle. 14. Parasitism. 15. Mutualism.