Biomass can be defined as?

Amount of material that accumulates at a tropic level.

Primary productivity is the rate at which...

Green plants convert light energy to chemical energy

The arrow from the cow to the fox indicates that?

The fox eats the cow., The fox gains energy from the cow.

An ecological pyramid displays?

The decline in energy or biomass in a food web.

What is the energy conversion that occurs during photosynthesis?

Light energy is converted into chemical energy.

Grass transfers energy directly to?

Coals from fossilled plants, Sheeps

The best definition of a producer relating to Biology is?

Organisms that manufacture it owns food.

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Movement of Energy + Matter in Ecosystems

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Questions 15

Answers

1
Mercury found in fish at higher concentration than water and algae is best described as?
Bioaccumulation.
An ecological pyramid.
A biogeochemical cycle
Pollution.
2
Biomass can be defined as?
The amount of material that accumulates at a low level.
Amount of material that accumulates as at an aquatic level.
Amount of material that accumulates at a tropic level.
The mass of biology.
3
What percentage of energy transfer from one level to another in an ecological pyramid?
21%
10%
30%
19.6%
4
10% of the energy a cow gets from grass is?
Lost as heat.
Used for respiration for the cow to do activities.
For growth of the cow
Not digested.
5
Primary productivity is the rate at which...
Tissue accumulates as biomass in an ecosystem.
Energy passes through an ecosystem.
First-order consumers increase their body mass.
Green plants convert light energy to chemical energy
6
Biomass is often measured in?
Grams per metre squared
Mols per gram
Mols per Litre
Kilograms per metre squared
7
Which requires the least amount of energy from the Sun to produce a kilogram of biomass?
Dingo.
Eucalypt Tree.
Kangaroo.
Mushroom.
8
The arrow from the cow to the fox indicates that?
The fox eats the cow.
The fox gains energy from the cow.
The cow eats the fox.
The cow gains energy from the fox.
9
An ecological pyramid displays?
The highest in power to lowest in power.
Energy conversion.
Where organisms in an ecosystem live.
The decline in energy or biomass in a food web.
10
What is the energy conversion that occurs during photosynthesis?
Chemical energy is converted into solar energy.
Chemical energy is converted into light energy.
Light energy is converted into chemical energy.
No energy conversion occurs
11
Which food chains provide most energy for the human population?
Short sized
Medium sized
All answers are correct.
Large sized
12
Grass transfers energy directly to?
Coals from fossilled plants
Honey
Meat
Sheeps
13
The best definition of a producer relating to Biology is?
An organism that breaks down dead plant or animal matter
Organisms that receive energy by eating others.
One of who creates music
Organisms that manufacture it owns food.
14
39% of sunlight tends to?
Warms soil, air and vegetation.
Evaporate water from plants.
Used in photosynthesis.
Be reflected from plants
15
Poison is able to move through food chains
False
True

Movement of Energy + Matter in Ecosystems Flashcards | StudBud