Biodiversity & Succession Review

_______________ determines a biome's identity.

• the amount of pollution

• the number of people

• the climate

• the types of animals

Both primary and secondary succession begin with _________.

• soil

• bare rock

• pioneer species

• grass

The main purpose of pioneer species is to ...

• modify the area and allow larger organisms to appear

• allow mountains to form

• invade and destroy the area even more

• make the area safe for predators

Pioneer species need to be able to ___________.

• withstand extreme temperatures

• walk around

• get energy from the sun and photosynthesize

• survive predators

Tags

NGSS.MS-LS1-6

Which biome is typically found along the equator?

• taiga

• grassland

• desert

• tropical rainforest

Lichen is the pioneer species for _____________ succession.

• primary

• secondary

Grass is the pioneer species for ____________ succession.

• primary

• secondary

Lichen is important for primary succession because it is able to _____________________.

• break down rock into soil

• absorb the water

• allow weeds to grow

• survive for long periods of time

What is the main difference between primary and secondary succession?

• primary succession ends with a climax community and secondary does not

• primary succession has a pioneer species and secondary succession does not

• Primary succession starts with bare rock and secondary succession starts with soil

• Primary succession starts with soil and secondary starts with bare rock

For secondary succession, ______________ is present at the beginning of the process

• soil

• grass

• trees

• bare rock