Study Guide For Science Test-Lindsey

Front 1

An _________________ is a living thing

Back 1

Organism

Front 2

_____________ is the environment that provides the things the organism needs to live, grow, and reproduce.

Back 2

Habitat

Front 3

One area may contain many __________.
Ex: In forests, mushrooms grow in the damp soil, salamanders live on the forest floor, and woodpeckers nest in trees.

Back 3

Habitats

Front 4

______________________ are the living parts of a habitat.

Back 4

Biotic Factors

Front 5

________________________ are the nonliving patrs of an organism's habitat.

Back 5

Abiotic Factors

Front 6

_____________________ helps plants and algae to make their food; using sunlight, carbon dioxide, & water.

Back 6

Photosynthesis

Front 7

Most living things need _______________.

Back 7

Oxygen

Front 8

Plants take in _________________________ and give out ________________

Back 8

Carbon Dioxide; Oxygen

Front 9

The ___________________ that are typical of an area determine the types of organisms that live there.

Back 9

Temperatures

Front 10

_______________ is a mixture of rock fragments, nutrients, air, water, and the decaying remains of living things.

Back 10

Soil

Front 11

A ________________ is a group of organisms that are physically similar and can mate with each other & produce offspring that can reproduce.

Back 11

Species

Front 12

A _________________ is all the members of one species in a particular area.
Ex: the prairie dogs

Back 12

Population

Front 13

A _____________________ is all the different populations that are alive together in an area.
Ex: the prairie dogs along with snakesw, badges, trees, etc. that live in that area.

Back 13

Community

Front 14

A community of organisms that live in a particular area, along with thir nonliving surroundings, make up the _______________.
Ex: a prairie, forest, ocean

Back 14

Ecosystem

Front 15

The study of how living things interact with each other and with their environment is called _______________.

Back 15

Ecology

Front 16

_____________________ are scientists who study ecology.

Back 16

Ecologists

Front 17

Counting each individual organism is ________________________

Back 17

Direct Observation

Front 18

Observing signs of organisms, such as counting the nesting areas, to determine the population is __________________________________

Back 18

Indirect Observation

Front 19

Capturing and marking and recapturing organisms is ___________________________________________________________________________

Back 19

Mark and Recapture Studies

Front 20

The main way in which individuals join a population is by _______________.

Back 20

Birth Rate

Front 21

The main way in which individuals leave a population is by __________________

Back 21

Death Rate

Front 22

______________________ means moving into a population.

Back 22

Immigration

Front 23

________________________ means leaving a population.

Back 23

Emigration

Front 24

_________________________ is an environmental factor that causes a population to decrease. Such as, food, water, space, and weather conditions.

Back 24

Limiting Factor

Front 25

The largest population that an area can support is call its _________________________

Back 25

Carrying Capacity

Front 26

________________ are organisms that use and outside energy source like the sun to make their own food.
Ex: Green plants and algae

Back 26

Producers

Front 27

_____________________ allows some producers around volcanic vents to make their own food.

Back 27

Chemosynthesis

Front 28

________________ cannot make their own energy-rich molecules (food); they obtain energy by eating other organisms

Back 28

Consumers

Front 29

___________________ eat plants

Back 29

Herbivores

Front 30

____________________ eat animals

Back 30

Carnivores

Front 31

_____________________ eat plants and animals.

Back 31

Omnivores

Front 32

______________________, such as fungi, bacteria, and earthworms, consume waste and dead organisms, breaking matter down into sinple, energy-rich substances.

Back 32

Decomposers

Front 33

A ____________________ is a simple model of the feeding relationships in an ecosystem.

Back 33

Food Chain

Front 34

A food chain always begins with a ____________(plant)

Back 34

Producer

Front 35

Any close relationship between species is called ______________

Back 35

Symbiosis

Front 36

A symbiotic relationship in which both species benefit is called __________________

Back 36

Mutualism

Front 37

A symbiotic relationship in which one organism benefits and the other is not affected is called ______________________

Back 37

Commensalism

Front 38

A symbiotic relationship in which one organism benefits and the other is harmed is called __________________

Back 38

Parasitism

Front 39

A ____________ refers to how an organism survives, how it survives, how it obtains food and shelter, how it finds a mate and cares for its young, and how it avoids danger.

Back 39

Niche

Front 40

_________________________ improve survival

Back 40

Special Adaptations

Front 41

__________________ are consumers that capture and eat other consumers.

Back 41

Predators

Front 42

___________ is the organism that is captured by the predator.

Back 42

Prey

Front 43

________________________ is working together to improve survival among the organisms

Back 43

Cooperation

Front 44

The gradual change from one community of organisms to another is ________________________________________

Back 44

Ecological Succession

Front 45

Succession that takes place in a forest that has been destroyed by fire is an example of __________________________________________

Back 45

Secondary Succession

Front 46

Ecological succession that takes place in a location that does not have soil is _________________________________________

Back 46

Primary Succession

Front 47

Primary succession can take hundreds or even thousands of years to develop into a ______________________________________________

Back 47

Climax Community

Front 48

__________ is produced with lichens and forces of weather and erosion break down rocks into smaller pieces,

Back 48

Soil

Front 49

A community that tends to remain the same and is in the final stage of succession is a ________________________________________________

Back 49

Climax Community

Front 50

Plants use carbon dioxide to make their food by the process of _________________________

Back 50

Photosynthesis

Front 51

A beech-maple forest is an example of __________________________________________

Back 51

Climax Community

Front 52

The _____________________________________ are the first organisms to move into disturbed environment.

Back 52

Pioneer Species