Texas Life Science Practice Test

What is the correct order from smallest in hierarchy of living things?

• cells-tissues-organs-organ systems-organisms

• tissues-organs-cells-organisms-organ systems

• cells-organs-tissues-organ systems-organisms

• organs-organ systems-organisms-tissues-cells

Tags

NGSS.MS-LS1-3

this part of the cell regulates the activities of the cell's organelles.

• cell membrane

• cell wall

• nucleus

• mitochondria

Tags

NGSS.MS-LS1-2

this part of the digestive system absorbs food for the cells to use.

• small intestines

• mouth

• large intestines

• stomach

Tags

NGSS.MS-LS1-3

This is the largest organ in the human body.

• heart

• large intestines

• skin

• liver

These are part of the nervous system

• heart, brain, skin

• brain, spinal cord, nerves

• nerves, liver and stomach

• brain, stomach and nerves

During photosynthesis, plants use the following to make their own food

• Carbon Dioxide

• Oxygen

• Sunlight

• Water

Tags

NGSS.MS-LS1-6

What is the original source of energy for all parts of the food chain?

• producers

• consumers

• decomposers

• sunlight

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What would happen to this food web if the shrimp population decreased?

• The crab would not have any food to eat.

• The seaweed and seagull population would increase.

• The starfish population would increase.

• The entire food web would be affected.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

An ecosystem is:

• All living things that interact in an area

• All living and nonliving things that interact in an area

• All plants in an area

• All animals in an area.

Tags

NGSS.MS-LS2-2

Which of the following is true about plants and animals?

• Unlike animals, plants get energy from producers

• Like plants, animals are able to make their own food

• Unlike animals, plants are able to make their own food.

• Unlike animals, plants do not need gases from the air.

Tags

NGSS.MS-LS1-6