Font size
WorksheetsEcology & populations
Total questions: 38
Worksheet time: 36mins
What is the correct order for this food chain?
Owl, Mouse, Grasshopper, Grass
Grass, Mouse, Owl, Grasshopper
Grass, Owl, Grasshopper, Mouse
Grass, Grasshopper, Mouse, Owl
Which of these organisms is the secondary consumer?
Owl
Mouse
Grass
Grasshopper
What do herbivores eat?
Animals
Plants and Animals
Plants
Dead Animals
How much energy is transferred between trophic levels?
25%
20%
10%
90%
Volcano erupting would be an example of what type of succession?
Primary
Secondary
Tertiary
Which of these is an autotroph?
Consumer
Producer
Decomposer
The difference between weather and climate is that climate is:
The average, year-to-year conditions
The day-to-day conditions
Described in terms of months at a time
B and C are both correct
Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?
Mutualism
Commensalism
Parasitism
Neutralism
In the wild, some alligators gets their teeth cleaned by birds. The birds gets their food from the alligators' teeth.
What type of symbiosis is this?
Mutualism
Commensalism
Parasitism
Neutralism
In an ecosystem, there are populations of moose, rabbits, grass, and pine trees. Suddenly, a fire blazes through the area, which kills all of the populations. As the months go on, new species of grass begin to take root. This attracts animals, and eventually the ecosystem is restored.
What type of ecological succession happened?
Primary succession
Secondary succession
Tertiary succession
None of the above
In this photo, what is an abiotic factor?
Deer
Grass
rain
What is this picture describing?
It is describing natural selection.
It is describing direct competition between flamingos and ducks.
It is describing abiotic factors of the tundra.
It is describing the niche of each bird.
What Biome is covered in permafrost (frozen subsoils)?
Tropical Rain Forest
Desert
Tundra
Tropical Savanna
What Biome is also known as the grasslands?
Tropical Rain Forest
Desert
Tundra
Tropical Savanna
What Biome is covered in a dense canopy and an understory?
Tropical Rain Forest
Desert
Tundra
Tropical Savanna
What Biome is very dry; receives very little rainfall?
Tropical Rain Forest
Desert
Tundra
Tropical Savanna
What happens if a population grows past its carrying capacity?
The population keeps growing
The population starts to die off
The entire species will go extinct
The carrying capacity just increases
What does biodiversity mean?
Only one species in an area.
The different amount of species in an area
All abiotic life
Nitrogen fixation
A diagram that shows the transfer of energy in an ecosystem by using several food chains.
ecosystem
food web
environment
food chain
What type of factor has an increasing impact as the population size increases?
density-independent
density-dependent
cohort effect
survivorship factor
What type of growth model is shown in image A?
Exponential
Logistic
Which of the following are examples of a density independent factors?
forest fire
seasonal cycles
storms
disease
