Unit 4- Relationships Among Organisms

Question 1

ecosystem

Answer 1

consist of living and nonliving things in their environment, that interact with each other and with their enviroment

Question 2

drought

Answer 2

a prolonged shortage of rainfall

Question 3

biosphere

Answer 3

that part of earth in which life can exist

Question 4

animal

Answer 4

an organism that is made of many cells cannot make its own food and can move during at least part of its life

Question 5

food web

Answer 5

a model that shows many feeding relationships among living things

Question 6

symbiotic

Answer 6

relationship between organisms in which one depends on the other

Question 7

life cycle

Answer 7

the various stages of an organism’s development and reproduction

Question 8

food chain

Answer 8

a model that shows one set of feeding relationships among living things

Question 9

system

Answer 9

a group of parts that work together to function or perform task

Question 10

energy transfer

Answer 10

the transfer energy from one organism to another through a food chain or web or the

Question 11

energy (organisms)

Answer 11

the ability to do work or cause change can be stored in chemicals found in food and released to the organism to do work

Question 12

habitat

Answer 12

the location in which an organism lives

Question 13

biodiversity

Answer 13

the many different types of life that exist in an environment

Question 14

rain forest

Answer 14

a forest that is humid

Question 15

bird

Answer 15

warm blooded vertebrate with feather wings and a beak whose young are born from eggs

Question 16

instinct

Answer 16

an animals natural response to a stimulus an inherited behavior

Question 17

biological diversity

Answer 17

the presence of many different types of organisms in an ecosystem

Question 18

behavior

Answer 18

all of the actions and reactions of an animal

Question 19

environment

Answer 19

all the living and nonliving things that surround an organism

Question 20

biome

Answer 20

a major ecological community such as grassland tropical rain forest or desert

Question 21

arthropod

Answer 21

a large category of animal without backbones that includes insects spiders and crustaceans

Question 22

insect

Answer 22

a small animal with three body sections two antennae and six legs

Question 23

depend

Answer 23

to rely on

Question 24

parasite

Answer 24

an organism that lives in or on another organism (the host) and obtains nourishment from the host but provides nothing back to that host

Question 25

desertification

Answer 25

the spread of desert-like conditions often due to the actions of humans

Question 26

niche

Answer 26

the place or role that an organism has in its habitat