Ecology Unit Test Review | Baamboozle - Baamboozle

What is the difference between extirpated and extinct classification levels?

Extirpated refers to populations no longer existing in a specific area, while extint refers to populations no longer existing anywhere on Earth.

What risk levels go before (iess severe) and after (more severe) "threatened"?

1. Special Concern 2. Endangered

What is one human activity that negatively impacts sustainability? How?

E.g., overfishing reduces the population of fish so drastically, many fish are not able to reproduce quickly enough to sustain its' populations

What is sustainability?

The ability of an ecosystem to restore and maintain itself.

Why does the trend line plateau/flatten? What factors may cause this?

Limiting factors prevent an organism's population to grow indefinitely. Some include: resource and habitat availability, disease, increased predation

This sphere is composed of all the living things.

Biosphere

What is biodiversity?

The variety of life in the world or in a particular habitat or ecosystem.

Oceans, rivers, lakes, and the moisture in the air are all part of which of Earth's spheres?

Hydrosphere

What one similarity and one difference between commensalism and mutualism?

At least one organism benefits in the relationship, however in commensalism the other organism remains unharmed; in mutualism, the other organism also benefits

What is the purpose of cellular respiration?

3. To release energy from food

Which animal is the top carnivore?

hawk

The arrows in a food chain or web represents what?

3. They show what direction the energy is flowing between organisms.

Photosynthesis is important because...

2. It makes food for the food webs

The original source of energy for a food web is...

The sun

Which section of the pyramid has the most energy?

1

Which section of the pyramid has the least amount of energy and would have the highest concentration of toxins?

4

Producers, consumers, decomposers. What are humans considered?

Consumers

What is a producer?

A organism that uses sunlight to make its own food

An energy pyramid represents what?

4. The amount of energy available to the next 'feeder' in a food web.

Which animal is in more than one trophic level?

Titmouse

The owl receives energy from which organisms?

Mouse and Rabbit

According to this food web, how many consumers are herbivores?

5

Which organism(s) is (are) the predator(s) of the shrew?

Snake

TRUE OR FALSE: All of the carbon in existence is continually recycled in the carbon cycle.

True

C6H12O6 is also known as glucose (sugar). Where is it found?

3. Both plants and animals

What does not produce carbon dioxide?

1. Photosynthesis

What is an invasive species?

2. An organism that is new to an environment and has a negative effect on that environment.

Why is the nitrogen cycle important?

It transforms unusable nitrogen gas (N2) into useable nitrate (NO3-).

What is ecology?

The study of the relationships between living organisms, including humans, and their physical environment.