Life Science Review

What name is used to describe all living things?

• organism

• ogrenism

• abiotic

Which of the following statements is true for all living things (organisms)?

• All living things produce their own food through photosynthesis

• All living things are made of one or more cells

• All living things are made of more than one cell

What is the most basic unit of life?

• Tissue

• Organ

• Organ system

• Cell

What is the function of the nucleus within a cell?

• Completing photosynthesis

• Manufacturing proteins

• Containing a cell's DNA and acting as the cell's "brain"

• Storage place

What can be said about all cells?

• All cells contain chloroplasts

• All cells contain cell walls

• All cells contain the same basic organelles, but are specialized for their function

• All cells have different organelles, but can complete the same function

Where do plants receive the energy necessary to carry out photosynthesis?

• Light from the sun

• Wind

• Heat from the sun

• Gamma radiation

Besides energy from the sun, what else does a plant require to complete photosynthesis?

• Wind energy

• Oxygen and Carbon dioxide

• Oxygen and water

• Water, carbon dioxide and chlorophyll

All of the living factors in an ecosystem are ___________ factors.

• abiotic

• biotic

Science of life; the plant and animal life of a region or environment

• biology

• chemistry

• ecology

All of the nonliving factors in an ecosystem are _____________ factors.

• biotic

• abiotic