Gr. 5 Science Chapter 4 Review

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Science study guide for chapter 4, grade 5

Hawk

predator

snake

prey

mouse

prey

cat

predator

lion

predator

zebra

prey

What are the 3 types of symbiosis?

Mutualism
Parasitism
Commensalism

Organisms that steal food from hosts or harm hosts

Parasite

4 things organisms compete over

Food
Shelter
Water
Space

What is the "rebirth" of an ecosystem called?

Succession

Describe how "primary succession" starts (6 things)

1. Bare rock
2. Pioneer plants make chemicals that weather rock
3. Makes soil
4. Moss grows
5. Grass grows
6. New life to bare rock

Describe how "secondary succession" starts (3 things)

1. Soil already there
2. It contains seeds
3. Repairs a damaged ecosystem

3 causes of succession

1. Change in climate
2. Actions of animals living there
3. Introduction of a new plant or animal

Paper coated with wax

Cannot recycle

Aluminum cans

Can recycle

Newspaper

Can recycle

Paper coated with plastic

Cannot recycle

Foil

Cannot recycle

#5 or #6 plastics

Cannot recycle

glass

Can recycle

Formed when chemicals from burning fossil fuel mix with water vapor in the air

Acid rain

3 methods of conserving resources

1. Reduce
2. Reuse
3. Recyle

Describe reclamation

Cleaning & restoring a damaged ecosystem
Costly
A lot of time

How can we accomplish "reclamation?"

Reduce the amount of pollution

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