WorksheetsEcology
Total questions: 30
Worksheet time: 21mins
Which type of organisms always start off a food chain?
Consumers
Decomposers
Producers
Scavengers
Which of the following is a biotic factor?
Water
Sunlight
Minerals
Bacteria
Which of the following is an abiotic factor?
Sunlight
Fungi
Humans
Beetles
What happens to the amount of stored energy as you move up the food chain?
The amount of energy goes up, since it's not used by organisms
The amount of energy goes down, since it's used up by organisms
The amount of energy stays the same
The energy disappears
Which type of organisms break down dead organisms and recycle nutrients to the soil?
Predators
Decomposers
Pathogens
Parasites
An autotroph is an organism that can:
make its own food by doing photosynthesis
obtain energy by eating other organisms
decompose other organisms to get energy
spontaneously generate
A blueberry bush, a rabbit, and a fox can be members of the same:
Species
Population
Community
Kingdom
In a food chain or food web, the arrows represent:
The decomposition of organisms
An increase in population
The evolution of organisms
The flow of energy
Which of the following would receive the LEAST amount of transferred solar energy that was originally absorbed by a producer?
Primary Consumer
Secondary Consumer
Plant
Herbivore
An omnivore is an organism that:
Eats only plants
Eats only animals
Eats plants and animals
Recycles dead organisms
What is the name of the green pigment in plants that absorbs sunlight for photosynthesis?
Borophyll
Heterotroph
Chlorophyll
Autotroph
Competition among Lynx may increase if there is an increase in the:
Amount of food available
Amount of oxygen available
Size of their population
Size of the area they live in
Which of the following is NOT a limiting factor that might affect a population of chimpanzees?
Amount of food
Amount of water
Amount of living space
Type of rocks
If a population has reached the largest number of individuals the environment can support and maintain for a long period of time, then it has reached its:
Limiting factor
Carrying Capacity
Community
Biomagnification
Which change would most likely cause a decrease in the number of chipmunks living in an area?
A decrease in competition between the chipmunks
An increase in available food
A decrease in the number of predators
A decrease in available food
Which of the following is an example of a decomposer?
Bacteria
Algae
Trees
Bears
A hookworm consumes nutrients and water from within the intestines of its host. This is an example of:
Decomposition
Mutualism
Commensalism
Parasitism
Bees get nectar and pollen from flowers for food, and they spread pollen from flower to flower to create more plants. This is an example of:
Decomposition
Commensalism
Mutualism
Parasitism
Remora fish attach to sharks, and eat food scraps from the sharks' leftovers. The shark is unaffected. This is an example of:
Decomposition
Commensalism
Mutualism
Parasitism
As toxins travel up the food chain, they become more concentrated in higher level consumers. This is known as:
Parasitism
Predation
Biodiversity
Biomagnification
Which type of ecosystem would be able to recover more quickly from a species going extinct?
An ecosystem with low biodiversity
An ecosystem with high biodiversity
A species that is very important because many organisms in the ecosystem depend on it is known as a(n):
endangered species
keystone species
invasive species
native species
Different populations living and interacting with each other in the same area
Population
Species
Community
Domain
A population is
a group of similar species in different areas
a group of the same species in the same geographic area.
a group of several species in the same geographic area
a group of several species along with their abiotic factors in a small area.
