BIOL 130, Krueger, UTM, Test 1

A ____________ ecologist might study the ways in which plants and animals within a forest affect one another's growth when they interact with each other.

Community

True of False: A population is more complex than a community.

False

True of False: An atom is more complex than a molecule.

False

True or False: A tissue is more complex than an organ.

False

True or False: An atom is more complex than a cell.

False

True or False: An organism that obtains energy from non-living sources (assuming these sources were never alive) is called a heterotroph

False

True or False: Asexual reproduction is beneficial because it creates new combinations of inherited traits.

False

Homeostasis best applies to which of the qualities of life?

Maintaining internal constancy

During the December solstice it is __________ in the southern hemisphere due to the tilt of the earth's axis.

Summer

True or False: All organisms use energy.

True

True or False: An ecosystem is more complex than a community.

True

True or False: Ecosystems depend on a stream of energy from an outside source.

True

True or False: Energy exits an ecosystem as heat.

True

True or False: Not all organisms obtain energy the same way.

True

True or False: Sexual reproduction is beneficial because it is a source of genetic diversity.

True

What is included in the domain Eukarya?

protists, fungi, plants, animals

One of the advantages of ____________ reproduction is that it produces new combinations of inherited traits.

sexual

In the scientific method, what two steps occur before you formulate a hypothesis?

1. Make observations. 2. Ask a question.

What characteristic do tropical rainforests and tropical savannas have in common?

Warm temperatures year round.