WorksheetsGrade 3 Science Alberta LIving Systems
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
A series of organisms each dependent on the next as a source of food.
a)
Sensory Stimuli
b)
Food Chain
c)
Herbivores
d)
Omnivores
2.
Animals that eat only other animals.
a)
Food Chain
b)
Carnivores
c)
Biodiversity
d)
Ecosystem
3.
Animals that eat only plants.
a)
Habitat
b)
Herbivores
c)
Carnivores
d)
Biodiversity
4.
Animals that eat both plants and animals.
a)
Symbiosis
b)
Predator
c)
Omnivores
d)
Carnivores
5.
Things in the environment that cause plants and animals to respond, such as water, food, temperature, and light.
a)
Pollination
b)
Decomposers
c)
Habitat
d)
Sensory Stimuli
6.
The natural home or environment of an animal, plant, or other organism.
a)
Predator
b)
Habitat
c)
Omnivores
d)
Photosynthesis
7.
A group of individuals of the same species living in a particular area.
a)
Photosynthesis
b)
Omnivores
c)
Carnivores
d)
Population
8.
An animal that hunts and eats other animals.
a)
Predator
b)
Food Chain
c)
Habitat
d)
Omnivores
9.
An animal that is hunted and eaten by other animals.
a)
Symbiosis
b)
Prey
c)
Pollination
d)
Sensory Stimuli
10.
A close relationship between two species where at least one benefits.
a)
Prey
b)
Symbiosis
c)
Carnivores
d)
Ecosystem
11.
The process by which green plants use sunlight to make their own food from carbon dioxide and water.
a)
Photosynthesis
b)
Food Chain
c)
Habitat
d)
Carnivores
12.
A community of interacting organisms and their physical environment.
a)
Prey
b)
Population
c)
Ecosystem
d)
Carnivores
13.
The variety of life in a particular habitat or ecosystem.
a)
Omnivores
b)
Biodiversity
c)
Habitat
d)
Herbivores
14.
The transfer of pollen from the male part of a plant to the female part, allowing plants to reproduce.
a)
Predator
b)
Pollination
c)
Biodiversity
d)
Population
15.
Organisms that break down dead or decaying organisms.
a)
Decomposers
b)
Herbivores
c)
Prey
d)
Food Chain
100 %
