WHAT IS ECOLOGY?
Ecology is the study of:
a. How living things interact with each other
b. How living things interact with the nonliving parts of the environment
c. How environments change over time
d. All of the above
d. All of the above
What does a food chain illustrate?
a. How organisms compete with others for resources
b. The feeding relationships between organisms
c. The way organisms reproduce
d. The way organisms make food using energy from the sun
b. The feeding relationships between organisms
Which of the following is NOT a living thing?
a. Grass
b. An ant
c. Milk
d. Disease caused by bacteria
c. Milk
What type of organism can produce its own food?
Autotroph
Which of the following lists processes of the water cycle in correct order?
a. Evaporation → Condensation → Collection → Precipitation
b. Evaporation → Condensation → Precipitation → Collection
c. Precipitation → Condensation → Collection → Evaporation
d. Condensation → Evaporation → Collection → Precipitation
b. Evaporation → Condensation → Precipitation → Collection
What is a population?
A group of individuals of the same species living together
The first organism in a food chain is always:
A producer
Which biome has the greatest biodiversity?
Tropical rainforest
What type of organism feeds on plants? (Notice I did not say ONLY plants)
Herbivores and Omnivores
How much energy in a food source is available to transfer to an organism that eats it?
10%
An ecosystem includes:
a. Individuals of the same species only
b. Living things in an area, but not nonliving things
c. A community of living things together with the nonliving parts of the environment
d. A collection of environments with similar flora, fauna and climate
c. A community of living things together with the nonliving parts of the environment
What determines the carrying capacity of an ecosystem?
Limiting factors
What is biodiversity
A way of describing the variety of life on Earth
Which organism plays an important role in flowering plant reproduction?
a. A detritivore
b. A decomposer
c. A pollinator
d. A parasite
c. A pollinator
How is a scavenger different from a decomposer?
What do we call an organism’s “role” or job in an ecosystem?
A niche
In what type of symbiotic relationship do both organisms benefit from the relationship?
Mutualism
How is secondary succession important to an ecosystem destroyed by a wildfire?
Secondary succession helps restore an ecosystem back to its original state. Native plants and trees grow back and then organisms move back in.
What do we call the first species that populates an area that is bare rock (new land)?
Pioneer species
How is oxygen and carbon dioxide cycled between plants and animals?
Which of the following is NOT a freshwater ecosystem?
a. A river.
b. A lake
c. A pond
d. The ocean
d. The ocean
What would happen to natural environments if there were no decomposers?
What is the difference between a biotic and abiotic factor?
Why can’t a food chain be indefinitely long?
How is biodiversity important to an ecosystem and/or species, especially when a disease breaks out and affects multiple species in the ecosystem?