What is one way primary composers make their own food?

Using light energy to make carbohydrates

Why can matter recycle through the biosphere?

Biological systems do not use up matter, they transform it

What do herbivores and carnivores have in common?

They obtain energy by consuming other organisms

How is an ecosystem organized?

Species--Populations-->Communities

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Biology Ch.3 Part 1 Review

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Part 1 of the Ch. 3 review for Biology.

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Questions 13

Answers

1
An ecologist using a greenhouse and measuring the effects of carbon dioxide on a plant is...
Modeling
Experimenting
Questioning
Observing
2
What is each step in the transfer of energy and matter in a food web called?
Energy path
Trophic level
Food chain
Food pyramid
3
What is one way primary composers make their own food?
Using light energy to make carbohydrates
Changing water into carbon dioxide
Breaking down remains to make carbon dioxide
Using chemical energy to make carbohydrates
4
The total amount of living tissue in a trophic level is called the...
Organic mass
Biomass
Trophic mass
Energy mass
5
Why can matter recycle through the biosphere?
Matter is assembled into chemical compounds
Biological systems do not use up matter, they transform it
Biological systems use only C, O, H, and N
Matter does not change into new compounds
6
The remaining energy NOT stored or used for life processes in an organism is...
Eliminated as heat
Stored as body tissue
Used in reproduction
Stored as fat
7
What do herbivores and carnivores have in common?
They are both autotrophs
They use photosynthesis to make their own food
They both directly consume producers
They obtain energy by consuming other organisms
8
How is an ecosystem organized?
Communities-->Species-->Populations
Species-->Communities-->Populations
Populations-->Species-->Communities
Species--Populations-->Communities
9
Which organism does NOT need sunlight in order to live?
Photosynthetic bacteria
Trees
Chemosynthetic bacteria
Algae
10
The part of biology dealing with interaction s among organisms and their environment is...
Modeling
Economy
Recycling
Ecology
11
A model of feeding interactions among organisms in a community is called a...
Food web
Population
Food chain
Ecosystem
12
What are the 3 kinds of ecological pyramids?
Biotic, abiotic, and nutrient
Energy, nutrient, and trophic
Producer, consumer, and decomposer
Energy, biomass, and numbers
13
Algae is an example of a...
Primary consumer
Primary producer
Heterotroph
Decomposer

Biology Ch.3 Part 1 Review Flashcards | StudBud