8Th Grade Science Test

Front 1

All living things are made up of _______________.

Back 1

cells

Front 2

_____________ or ____________ are similar in the way they grow and divide

Back 2

animal, plant

Front 3

Cells need ____________ to provide energy so they can function.

Back 3

mitochondria/ nutrients

Front 4

_______ _______ and _________ are only found in plant cells.

Back 4

cell wall and chloroplasts

Front 5

The _________ in cells stores food and water.

Back 5

vacoule

Front 6

The ______ _______ controls what goes into and out of a cell.

Back 6

cell membrane

Front 7

The __________ is the control center of the cell

Back 7

nucleus

Front 8

The ___________ is where photosynthesis takes place.

Back 8

chloroplasts

Front 9

Plants have a _______ ________because they don't have bones.

Back 9

cell wall

Front 10

Cell ____________ help carry on life activities in a cell

Back 10

organelles

Front 11

All cells go through ___________ to duplicate themselves

Back 11

mitosis/ cell division

Front 12

The levels of organization in living things are

Back 12

cells --> tissue --> organ --> organ system --> organism

Front 13

The ______of a plant absorbs water and nutrients

Back 13

roots

Front 14

The ______ of a plant transports water up to the leaves.

Back 14

stem

Front 15

The _______ of a pant is where O2 and CO2 are exchanged

Back 15

leaves

Front 16

The function of the flower of a plant is __________

Back 16

reproduction

Front 17

Green plants are called ______ because they make food.

Back 17

autotrophs (producers)

Front 18

Seeds are created as a result of _______________, when pollen meets the egg.

Back 18

fertilization

Front 19

________ _________ is the order when grass, bushes and trees grow after a fi

Back 19

ecological succesion

Front 20

Chlorophyll is the __________ pigment where photosynthesis takes place.

Back 20

green

Front 21

Animals are dependent on plants for _________

Back 21

food

Front 22

The cell structures that are found only in plants are ______ _______ for support and _________ which contain chlorophyll

Back 22

cell wall, chloroplasts

Front 23

The number of a specific species is called a _____________

Back 23

population

Front 24

All of the populations living in one place are called the ____________

Back 24

community

Front 25

_____________ occurs between organisms that eat the same food.

Back 25

competition

Front 26

If a species can no longer reproduce it will go ____________

Back 26

extinct

Front 27

_______________ absorb food from dead organisms

Back 27

decomposers

Front 28

The main source of energy for life on Earth is the _____________

Back 28

Sun

Front 29

________ eat only plants

Back 29

herbivore

Front 30

__________ eat only meat.

Back 30

carnivore

Front 31

____________ eat both plants and animals

Back 31

omnivore