WorksheetsEcology Review
Total questions: 21
Worksheet time: 14mins
The branch of biology dealing with interactions among organisms and between organisms and their environment is:
economy
modeling
recycling
Ecology
What is the ultimate source of energy for almost every organism in every ecosystem?
Sunlight
consumers
The green plant at the beginning of the food chain in the picture above is the:
decomposer
producer
heterotroph
How many trophic levels are represented in the picture of the food web above?
1
2
3
4
The secondary consumer in an ecosystem is usually a
primary consumer/herbivore
secondary consumer/herbivore
primary consumer/autotroph
predator/carnivore
All the interconnected feeding relationships in an ecosystem make up a food:
network
web
chain
Arrows in a food web should show energy going from the
eaten to the eater
eater to the eaten
predator to the prey
any way is ok
What is made up of all the gazelles in an area?
Habitat
Population
Community
Ecosystem
A common food web in a grassland would be grass > mice > snake > hawk. If there were an increase of mice in the ecosystem, what would be directly affected? (hint. Multiple answers)
snake
hawk
mice
grass
