Growth of Organisms

For a seed to survive, which of these factors play an important role (check all that apply).

• rainfall

• sunlight

• type of soil

• space

The process of increasing in size and maturity is called

• adaptation

• growth

• genetic factors

• environmental factors

Identify the human activity as either beneficial, harmful, or neutral to plants.

Humans can introduce invasive plant populations into an ecosystem, build structures that block sunlight, & pollute the soil and/or groundwater of a habitat.

• beneficial

• harmful

• neutral

Fill in the blank.

Plants can inherit genes that predispose them to ___________ or other conditions that negatively affect their growth.

• fertiilizer

• sunlight

• disease

• people

True or False.

Gravitropism is a plants growth toward a light source.

• true

• false

True or false.

Tropism is a directed growth or movement based on a stimulus, either negative or positive.

• true

• false

True or false.

Weather affects growth patterns of trees, which can be observed in their rings.

• true

• false

What are the 4 major environmental factors that influence the growth of organisms?

• space, light, food, water

• location, size, DNA, time

• space, light, DNA, time

• food, water, location, size

A directed growth or movement in response to a stimulus

• environmental

• genetic

• tropism

• offspring

When a plant grows towards a light source

• gravitropism

• phototropism

• thigmotropism

• magic