Ecological Interactions and Environments

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What is the study of ways organisms interact with each other and with their nonliving surroundings?

Ecology (correct)
Environment
Biology
Ecological Processes

What is an example of an abiotic factor?

Energy (correct)
A bird
A tree
Soil

What is the space in which an organism lives?

Ecosystem
Environment
Habitat (correct)
Niche

What is a limiting factor that restricts species success?

All of the above (D) Signup and view all the answers

What indicates a range of conditions in which an organism can survive?

Range of tolerance (A) Signup and view all the answers

What is the functional role of an organism in its surroundings?

Niche (D) Signup and view all the answers

What is the term that includes all the ways an organism affects its environment?

Ecological Niche (C) Signup and view all the answers

What is the role of a keystone species?

To maintain specific ecosystems (B) Signup and view all the answers

What is the function of a bison in American tall grass prairie ecosystems?

To increase biodiversity (C) Signup and view all the answers

What is a gene?

A distinct piece of DNA that determines an individual's characteristics (C) Signup and view all the answers

What is a population?

A group of the same species found in a specific geographic region (A) Signup and view all the answers

What is the process that determines which individuals within a species will reproduce and pass their genes to the next generation?

Natural Selection (D) Signup and view all the answers

What can be a cause of sudden species extinction?

Toxic pollution making the habitat unlivable (B) Signup and view all the answers

What is an example of a local species at risk?

Hawksbill Turtle (D) Signup and view all the answers

What is an example of coevolution?

Mutations between amino acids in a protein (A) Signup and view all the answers

What is a result of predation on prey species?

Increased reproduction rate (C) Signup and view all the answers

What is a type of interaction in which one animal kills/eats another?

Predation (B) Signup and view all the answers

What is a possible outcome of coevolution between different species?

Selective pressures on each other's evolution (A) Signup and view all the answers

What is the term for an organism that is being attacked or hunted by another?

Prey (D) Signup and view all the answers

What type of competition occurs between members of the same species?

Intraspecific competition (A) Signup and view all the answers

According to the competitive exclusion principle, what must happen to a less-fit species?

It will evolve into a different niche (B) Signup and view all the answers

What is the term for a relationship in which one organism benefits while the other is not affected?

Commensalism (D) Signup and view all the answers

What is the term for an organism that lives in or on another organism, deriving nourishment from it?

Parasite (A) Signup and view all the answers

What is the term for a close, long-lasting, physical relationship between two different species?

Symbiotic relationship (B) Signup and view all the answers

What percentage of energy is lost as heat when moving from one trophic level to the next?

90% (B) Signup and view all the answers

What is often used as a proxy to measure the amount of energy in each trophic level?

Biomass (D) Signup and view all the answers

What is a series of multiple, overlapping food chains?

Food web (B) Signup and view all the answers

What is produced as a byproduct during photosynthesis?

Oxygen (D) Signup and view all the answers

What process involves the breakdown of complex organic molecules into simpler molecular building blocks?

Herbivory (B) Signup and view all the answers

What is the result of the decay process of decomposers?

Recycling of naturally occurring organic molecules (A) Signup and view all the answers