Ch. 2

Question 1

Ecosystem

Answer 1

all the organisms living in an area together with their physical environment

Question 2

Biotic Factor

Answer 2

living or once living parts of any ecosystem

Question 3

Abiotic

Answer 3

nonliving parts of the ecosystem

Question 4

Organisms

Answer 4

individual living thing

Question 5

Species

Answer 5

group of organisms that can mate to produce fertile offspring

Question 6

Population

Answer 6

group of the same species that live in the same place

Question 7

Community

Answer 7

group of various species that live in the same place and interact with each other

Question 8

Habitat

Answer 8

place organisms live

Question 9

Natural Selection

Answer 9

process where individuals that are better adapted to their environment survive and reproduce with more success than less well adapted individuals do

Question 10

Evolution

Answer 10

change in the genetic characteristics of a population from one generation to the next

Question 11

Adaptation

Answer 11

inherited traits that increase an organism’s chance of survival and reproduction in a certain environment

Question 12

Archaea

Answer 12

lack nuclei, microscopic, unicellular organism, found in extreme places

Question 13

Bacteria

Answer 13

lack nuclei, microscopic, unicellular organism, very common and can be found in many places including soil and animal bodies

Question 14

Fungus

Answer 14

an organism whose cells have nuclei and cell walls

Question 15

Protists

Answer 15

diverse group of both unicellular and multicellular organism,.

Question 16

Gymnosperms

Answer 16

woody plants that produce seeds, but their seeds are not enclosed in fruits

Question 17

Angiosperms

Answer 17

flowering plants that produce seeds in fruit

Question 18

Invertebrates

Answer 18

animals that lack back bones

Question 19

Vertebrates

Answer 19

animals that hav back bones

Question 20

Artificial Selection

Answer 20

selective breading of organisms by humans for specific characteristic