botany into. cell structure

Organisms that can produces their own food are called?

• hertrophs

• photosynthesis

• autotrophs

• plants

Cell walls of plant cells are made of?

• carotene

• chlorophyll

• cellulose

• none of these

During photosynthesis by plants carbon dioxide goes in and _____ goes out.

• CO2

• H2O

• food

• none of these

Tropisms in botany refer to ?

• effect of light

• effect of a stimulus

• plants need for soil

• none of these

:  plant roots grow toward beneficial chemicals in the soil.

• hydrotropism

• geotropism

• phototropism

• none of these

Thecvlargest of plants on the planet are?

• Giant white maple

• giant oak

• African redwood

• Sequoia

a more primitive reproductive structure than the seed.

• angiosperm

• embryo

• spore

• none of these

All animals depend either directly or indirectly on plants for their survival because of?

• production of carbon dioxide

• food

• air

• wood

A "miners canary" was used for

• showing how plants produce oxygen

• lack of air

• food for miners

• none of these

Which is not a negative community damage by a loss of plants?

• grazing

• logging

• development

• production of CO2