2021 S2 Final Review (Ecology and Classification)

Air, water, and terrestrial areas where life can exist are examples of which level of classification?

• Ecosystem

• Community

• Biosphere

• Population

All of the following are levels of classification EXCEPT

• Atmosphere

• Community

• Population

• Ecosystem

What is a population?

• The portion of the Earth and atmosphere where life exists

• A group of individuals in the same species within a defined area

• All of the populations that live in a defined area

• The living things in an area, along with their environment

What is ecology?

• Ecology focuses on the organism and how it interacts within different levels

• Ecology is plants and animals

• Ecology is the study of the biosphere

• Ecology is the grouping of organisms

Factors that are NONLIVING physical conditions are called ________ __________.

• Abiotic factors

• Biotic factors

• Ecological factors

• Antibiotic factors

According to this cladogram, primates are most closely related to -

• Amphibians
• Rodents and rabbits
• Crocodiles
• Birds

According to this cladogram, birds are LEAST related to -

• Amphibians
• Sharks
• Ray Finned Fish
• Crocodiles

Which trait do only humans have, according to the cladogram?

• jaws
• mammary glands & hair
• terrestrial during all life stages
• opposable thumbs

You look at two species and see very similar amino acid sequences. What does this likely tell you?

• These are the same animal.
• These animals have a common ancestor.
• These animals are not likely related.
• These animals are likely becoming one species.

The system of classification for organisms is called -

• taxonomy
• classification
• terraformy
• cladogram