TPT Ecology test(VCA)

The branch of biology dealing with interactions among organisms and between organisms and their environment is called:

• economy

• modeling

• recycling

• ecology

Which of the folowing descriptions about the organization of an ecosystem is correct?

• communities make up species, which make up populations

• populations make up species, which make up communities

• species make up commmunities, which make up populations

• species make up populations, which make up communities

The simplest grouping of more than one kind of organism in the biosphere is:

• a population

• a community

• an ecosystem

• a species

Which ecological inquiry method is an ecologist using when he or she sets up a greenhouse and measures the effects of different levels of carbon dioxide on an endangered plant species?

• questioning

• observing

• experimenting

• modeling

Plants are

• primary producers

• primary consumers

• herbivores

• omnivores

How do most primary producers make their own food?

• by using light energy to make carbohydrates

• by using chemical energy to make carbohydrates

• by changing water into carbon dioxide

• by breaking down remains to make carbon dioxide

Which of the following organisms does not require sunlight to live?

• chemosynthetic

  bacteria

• chemosythetic

  trobiphiles

• algae

• photosynthetic bacteria

Compared to land, the open oceans

• are nutrient rich environments

• contain unlimited nitrogen

• are nutrient poor environments

• are rich in silica and iron

In which way are plants in a sunny mountain meadow and sulfur bacteria in a deep sea volcanic vent alike?

• they both use photosysthesis to make their own food

• they both produce carbohydrates and oxygen

• they both use chemosysthesis to produce their own food

• they both produce carbon and hydrogen

A group of eagles living around Lake Tahoe would be considered a(n)

• abiotic factor

• population

• community

• ecosystem