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WorksheetsOrganisms and environment
Total questions: 22
Worksheet time: 44mins
Why is carbon dioxide important for plants?
Carbon dioxide gives plants their green color.
Plants can release carbon dioxide into the air.
Plants use carbon dioxide to make their own food.
Carbon dioxide lets plants absorb their roots.
What is the first element of the food web?
Eagle
Sun
Water
Wolf
What is the first element of the food web?
Eagle
Sun
Water
Wolf
Plants in a food web are:
consumers
decomposers
producers
suppliers
Living things that make their own food using air, light, soil and water are called:
changers
consumers
decomposers
producers
The purpose of a food chain is to show:
the flow of energy through an ecosystem.
the number of organism in an ecosystem.
how animals compete for food in an ecosystem.
the organism living near each other in an ecosystem.
Every ecosystem supplies the basic needs for the organisms that live there. What are the basic needs of all organisms?
Air, water, food, habitat
Food, water, habitat, space
Air, water, food, protection
Food, attention, change, water
The living parts of an ecosystem...
Multicellular
abiotic factors
biotic factors
classification
How many organisms are HERBIVORES?
1
2
3
4
Organisms such as mushrooms, bacteria, worms and ants that get energy by breaking down other dead organisms.
scavengers
consumers
decomposers
carnivores
If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the...
hawk population
rabbit population
wildflower population
grass population
Canadian Geese and many other birds migrate to different climates when —
the wind blows harder
temperatures get cooler
rain clouds fill the sky
The most sustainable ecosystem would
Have low biodiversity
Have high biodiversity
Not experience change
Have no predators
Place where an organism lives
biodiversity
micro-habitat
habitat
sustainability
limiting factor
a condition or resource that keeps a population at a certain size
biodiversity
micro-habitat
habitat
sustainability
limiting factor
Something that is not living
abiotic
biotic
niche
pioneer species
limiting factor
