Chapter 2

Question 1

System

Answer 1

a network of interdependent components and processes

Question 2

Ecosystem

Answer 2

a complex assemblage of animals, plants, and their environment

Question 3

Open system

Answer 3

enters and/or exits

Question 4

Closed System

Answer 4

nothing comes in, nothing comes out

Question 5

Throughput

Answer 5

energy and matter that flow through a system

Question 6

Positive Feedback Group

Answer 6

more of 1 thing means more of another

Question 7

Negative Feedback Group

Answer 7

less of 1 thing means less of another

Question 8

Elements

Answer 8

substances that cannot be broken down into simpler forms

Question 9

Atoms

Answer 9

smallest unit of elements. Examples= carbon, oxygen

Question 10

Acid and Base scale

Answer 10

the lower the number= acid

the higher the number= basic

Question 11

Carbohydrates

Answer 11

Function is for energy in the short term

Question 12

lipids

Answer 12

function is energy in long term

Question 13

proteins

Answer 13

function is enzymes/energy in body

Question 14

Nucleic Acids

Answer 14

function is holding genetic information

Question 15

Cells

Answer 15

fundamental unit of life

Question 16

Sun

Answer 16

Primary producer ultimate energy source for life on earth

Question 17

Photosynthesis

Answer 17

using suns energy

Question 18

chemo synthesis

Answer 18

inorganic chemical compounds

Question 19

Species

Answer 19

organisms that are genetically similar enough to breed and produce live, fertile offspring

Question 20

population

Answer 20

members of a species living in a given area at the same time

Question 21

community

Answer 21

populations of organisms living in a particular area

Question 22

Primary producers

Answer 22

atotrophs. example is grass

Question 23

primary consumers

Answer 23

herbivores. example is ant, bunny

Question 24

secondary consumers

Answer 24

carnivores. example is aardvark

Question 25

Trophic consumers

Answer 25

Top carnivores. example is lion

Question 26

consumers that feed at all levels

Answer 26

decomposers. example is dead mouse

Question 27

Water cycle

Answer 27

plant uptake, evaporation, precipitation, infiltration