Ecology Quizzes

Ecology is the the scientific study of how organisms affect- and are affected by- other organisms and their environment.

True

Which statement about ecology is false?

Ecology is an interdisciplinary field that incorporates concepts from the natural sciences, social sciences, politics, and ethics

Which sequence represents the correct order of levels of biological organization, from largest to smallest from left to right?

biosphere - ecosystem - community - population

A niche is the abiotic conditions needed by a species to survive, grow, & reproduce

False

_____________ is Long-term description of environmental conditions, based on averages and variation measured over decades.  

Climate

Of the incoming solar radiation, how much is reflected back via clouds or aerosols

33%

The greenhouse effect is only caused by human causes

False

Which of these phenomenon explains the increased amount of nutrients present in the Galapagoes

Upwelling

Some models of climate change suggest that the Gulf Stream is becoming weaker. Such a weakening in the Gulf Stream would most likely result in:

cooling in London

Warm air is _______ dense than cool air.  As air cools, it _______.

less; sinks

A biome extends across several continents. Parts of the biome on the different continents can be best identified by the___________.

dominate growth forms of its plants

Which of the following is not a factor affecting an organism’s potential distribution?

competition for prey

what other type of land mass are mountain tops similar to from an evolutionary perspective

Islands

This biome present in florida contains acidic soils and lots of conifers

temperate evergreen forests

This group of vertebrates is particularly reliant on water

Amphibians

The long-term adjustment to environmental conditions is termed 

Adaptation

_______ is the transfer of energy from warmer to cooler molecules. 

Conduction

The short-term adjustment to environmental conditions is termed

acclimation

Marine environments are normally _____ relative to the organisms that live there.

Isoosmotic

Marine environments are normally ____ relative to the organisms from fresh water environments.

Hyperosmotic

Which of these is the primary source for energy on our planet

Sun

Carnivorous plants consume their prey as their primary means for obtaining energy

False

The primary source of energy used in chemosynthesis comes from

in-organic nutrients

Which of the following are a detritovore?

Bacteria consuming dissolved organic compounds

What takes place during the first step of photosynthesis, referred to as the “light-driven reactions”?

Water is split to provide electrons to synthesize ATP and NADPH.