Science module 9

Question 1

Define atom

Answer 1

The smallest chemical unit of matter

Question 2

define Molecule

Answer 2

two or more atoms liked together to make a substance with unique properties

Question 3

Define photosynthesis

Answer 3

the process by which green plants and some other organisms use the energy of sunlight and simple chemicals to produce their own food

Question 4

define metabolism

Answer 4

the sum total of all processes in an organism that convert energy and matter from outside sources and use that energy and matter to sustain the organisms life functions

Question 5

define receptors

Answer 5

special structures that allow living organisms to sense the conditions of their internal or external envirements

Question 6

define precocial

Answer 6

a term used to describe offspring that are born able to hear, see, regulate body temperture, and eliminate waste without a parents help

Question 7

define altricial

Answer 7

a term used to describe offspring that are born without at least one of the following hear, see, move about, regulate body temperture and aliminate body temperture without parents help

Question 8

define cell

Answer 8

the smallest unit of matter