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2610669
Science Test # 4 (4th grade)
Description
Test # 4
No tags specified
sicence
Quiz by
Marisol Castro
, updated more than 1 year ago
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Created by
Marisol Castro
over 9 years ago
13
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Resource summary
Question 1
Question
Something an organism requires for survival.
Answer
A need
Competition
Question 2
Question
It is used to describe a close relationship between organisms of different species.
Answer
Symbiosis
Resource
Question 3
Question
The movement of energy within an ecocsystem.
Answer
Balance
Energy flow
Question 4
Question
The main source of energy:
Answer
The sun
The ocean
Question 5
Question
The plants make their own food that is why they are also called:
Answer
Carnivorous
Producers
Question 6
Question
The introduction of poisons or garbage into an ecosystem:
Answer
Pollution
Deforestation
Question 7
Question
The protection and restoration of species and natural resources in an ecosystem:
Answer
Captive breeding
Conservation
Question 8
Question
An organisms needs are met by what two types of resources?
Answer
Living and Non-living things
Food web
Question 9
Question
Select the ideas to keep the balance in an ecosystem.
Answer
a) Throwing grabage to the ground. b) Do not recycling. c) Killing the animals
a) Recycling b) Planting trees. c) Protecting the animals
Question 10
Question
The removal of most or all the trees from a forest:
Answer
Deforestation
Foreign species
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