WorksheetsEnvironmental Science - Ecology Unit 1.1
Total questions: 11
Worksheet time: 6mins
Which trophic level has the least energy available and the least biomass? (click picture)
Trophic level 1
Trophic level 2
Trophic level 3
Trophic level 4
plants and autotrophic algae are ?
producers
consumers
decomposers
scavengers
name a producer in this food web (click image)
shrimp
phytoplankton (green algae)
fish
eagles
Which definition best fits the term BIOTIC?
The study of the interactions between animals and their environment
Factors in the environment that are considered not alive
Factors in the environment that are considered living or the remains of living things
An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:
Predator
Autotroph
Producer
Decomposer
The ARROWS in a food chain or web represents what?
point to the organism that is being eaten.
shows how sunlight flows within an ecosystem.
show direction the energy is flowing between organisms.
represent how water is transferred within a habitat.
The fox in this food web would be considered a:
Tertiary Consumer
Producer
Secondary Consumer
Primary Consumer
Which organisms will most likely INCREASE in population if a disease that suddenly reduced the population of Texas horned lizards?
Grasses and ants
Ants and grasshoppers
Grasshoppers and Texas Cottonmouths
Texas cottonmouths and red shouldered hawks
What happens to the amount of available energy in the pyramid as it moves up through the different levels?
it decreases
it increases
it remains the same
What % of energy is transferred from one trophic level to the level above ?
0%
10%
90%
100%
Which trophic level represents the herbivores (primary consumers)? (click picture)
Trophic level 1
Trophic level 2
Trophic level 3
Trophic level 4
