Ch. 3.4 (En. Systems)

While many biologists study life at the cellular and molecular level, ecologists study interactions at which levels?

• species, population, biotic community, or ecosystem level

• organelle, tissue, and organ level

• atomic, subatomic, and molecular level

• genetic, chromosomal, and allelic level

Tags

NGSS.MS-LS2-2

In Latin, what does the word 'species' literally mean?

• kind

• animal

• shape

• life

In biology, what does the term 'species' refer to?

• All organisms of the same kind that are genetically similar enough to breed in nature and produce live, fertile offspring.

• A group of organisms that share the same habitat but cannot interbreed.

• Any group of animals that look similar to each other.

• A classification based solely on physical appearance.

Tags

NGSS.MS-LS4-2

Which of the following best describes what ecologists study?

• The structure of DNA

• Interactions at the species, population, biotic community, or ecosystem level

• The function of organelles

• The process of mitosis

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Fill in the blank: A ______ consists of all the members of a species living in a given area at the same time.

• population

• ecosystem

• community

• habitat

Tags

NGSS.MS-LS4-4

Fill in the blank: All of the populations of organisms living and interacting in a particular area make up a ______.

• community

• ecosystem

• habitat

• species

Fill in the blank: An ______ is composed of a biological community and its physical environment.

• ecosystem

• organism

• population

• habitat

In ecosystems, some consumers feed on a single species, but most consumers have ______ food sources.

• multiple

• limited

• seasonal

• scarce

What do individual food chains become interconnected to form?

• a food web

• a food chain

• an energy pyramid

• a habitat

Tags

NGSS.MS-LS2-3

In an ecosystem, many species are prey to only a single kind of predator.

• True

• False