Full 7th Grade Science Review Texas

Question 1

An organism that makes its own food

Accepted Answer

Autotroph

Question 2

The variable that represents the data collected in an experiment.

Accepted Answer

Dependent variable

Question 3

An action that helps an organism survive.

Accepted Answer

Behavioral adaptation

Question 4

Controls what enters and exits the cell

Accepted Answer

Cell membrane

Question 5

Breaks down food into nutrients

Accepted Answer

Digestive system

Question 6

It is most important that a pioneer species can

Accepted Answer

Go through photosynthesis

Question 7

What product of the photosynthesis equation represents food energy?

Accepted Answer

glucose

Question 8

The variable that never changes in an experiment.

Accepted Answer

Constant

Question 9

Stores water, nutrients, and waste for the cell.

Accepted Answer

Vacuole

Question 10

A physical characteristic that helps an organism survive.

Accepted Answer

Structural adaptation

Question 11

In geotropism, plants grow towards...

Accepted Answer

gravity

Question 12

When small sediments are moved by water, wind, ice, or gravity.

Accepted Answer

Erosion

Question 13

Where the number of plants and animals increases in an area after a disturbance.

Accepted Answer

Secondary succession

Question 14

An area where water runs downhill and collects in a large source of water.

Accepted Answer

Watershed

Question 15

Converts glucose into ATP to give the cell energy

Accepted Answer

Mitochondria

Question 16

A diagram that shows the energy transformations through different trophic levels.

Accepted Answer

Energy pyramid

Question 17

The passing of traits from parents to offspring.

Accepted Answer

Heredity

Question 18

Where photosynthesis takes place.

Accepted Answer

Chloroplast

Question 19

The energy transformation in photosynthesis is

Accepted Answer

Radiant to chemical

Question 20

Hold the cells DNA and controls the cells functions

Accepted Answer

Nucleus

Question 21

A tool used to identify an organism.

Accepted Answer

Dichotomous key

Question 22

Is Ms. Moore's favorite dog breed.

Accepted Answer

Dachshund

Question 23

Where the number of plants and animals increases in an area starting as bare rock.

Accepted Answer

Primary succession

Question 24

Which of the following sequences MOST likely represents the order of ecological succession?

Accepted Answer

grasses, flowering plants, shrubs maple trees

Question 25

Is a measurement you make using your 5 senses.

Accepted Answer

Observation

Question 26

When small sediments are dropped in a new location by water, wind, ice, or gravity.

Accepted Answer

Deposition

Question 27

Creates identical offspring

Accepted Answer

Asexual reproduction

Question 28

What gases compose Earth's atmosphere?

Accepted Answer

79% Nitrogen, 20% Oxygen, 1% other gases

Question 29

The cell theory states:

Accepted Answer

All living things are made of cells.

Question 30

Sends messages to and from the brain.

Accepted Answer

Nervous system

Question 31

When rock is broke down into small sediments

Accepted Answer

Weathering

Question 32

A rigid barrier that supports and protects the plant cell.

Accepted Answer

Cell wall

Question 33

Digests large molecules of food and cell waste.

Accepted Answer

Lysosome

Question 34

In phototropism, plants grow towards...

Accepted Answer

light

Question 35

The first species to colonize an area is called

Accepted Answer

Pioneer species

Question 36

Why is sunlight necessary in photosynthesis?

Accepted Answer

It gives the plant energy

Question 37

Protects the body from the outside world

Accepted Answer

Integumentary system

Question 38

What's an advantage of having a high biodiversity?

Accepted Answer

Each species fulfills a particular niche in the ecosystem.

Question 39

Is a conclusion you make based on your observations.

Accepted Answer

Inference

Question 40

A tolerance to a toxin or ability to fight off a disease are both examples of

Accepted Answer

Physiological adaptation

Question 41

A diagram that shows how multiple food chains are connected in an ecosystem.

Accepted Answer

Food web

Question 42

Handles gas exchange in the body

Accepted Answer

Respiratory system

Question 43

Transports nutrients and oxygen throughout the body while taking away toxins

Accepted Answer

Circulatory system

Question 44

Which characteristic of the earth is most responsible for supporting human life?

Accepted Answer

proximity (distance) to the sun

Question 45

The variable your results are compared to in an experiment.

Accepted Answer

Control

Question 46

What is the energy transformation that occurs in photosynthesis?

Accepted Answer

radiant to chemical

Question 47

Hibernation and migration are both examples of

Accepted Answer

Behavioral adaptation

Question 48

The variable that is purposely changed in an experiment.

Accepted Answer

Independent variable

Question 49

Beaks, bones, wings, and claws are all examples of

Accepted Answer

Structural adaptation

Question 50

Creates genetically unique offspring.

Accepted Answer

Sexual reproduction

Full 7th Grade Science Review Texas

Questions 50

Full 7th Grade Science Review Texas

Questions 50