ecology test

What is the combined portions of Earth called in which all living things exist?

The movements of energy and nutrients through living systems are different because

Which would be least likely to be affected by a density-dependent limiting factor?

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

Each of the following is an abiotic factor in the environment EXCEPT

What animals eat both producers and consumers?

This test tells us weather  or not the system can support life.

This is likely the most important test to determine long term health of a river or stream

Which two biomes have the least amount of precipitation?

An organism that uses energy to produce its own food supply from inorganic compounds is called a(an)

Which of the following describes the largest number of individuals that an environment can support?

An interaction in which one organism captures and feeds on another organism is called

2 leaf eating animals live in a habitat that has a drought that makes plants die. What relationship will they have now?

Which is a biotic factor that affects the size of a population in a specific ecosystem?

When individuals in a population reproduce at a constant rate, it produces a growth pattern called

All of the members of a particular species that live in the same area are called a(an)

What is the process by which bacteria convert nitrogen gas in the air to ammonia?

Many of the benthic macroinvertebrates feed on dead organic materials. This  dead organic material is  referred to as___

A snake that eats a frog that has eaten an insect that fed on a plant is a 

The role that an organism plays in its ecosystem is known as it’s

The photic zone was determined using this piece of scientific equipment

The simplest grouping of more than one kind of organism in the biosphere is a(an)

The symbiotic relationship between a flower and the insect that feeds on its nectar is an example of

The amount of the suns's energy that is actually captured by plants is actually only about 

Organisms that obtain nutrients by breaking down dead and decaying plants and animals are called

A family travels through spruce and fir trees, temperate rain forests, deciduous forests. What describes the trip?

Ecology’s focus is to understand the ______________of organisms

The trees and shrubs that line the banks of the river are known as the 

Presence of scales or hard exoskeleton in animals, deep roots or water retention mechanisms in plants are in which biome

What is the original source of almost all the energy in most ecosystems?

As energy moves through trophic levels, it's generally accepted that there'll be a ___ percent decrease.

Different species can share the same habitat, but competition among them is reduced if they

As resources in a population become less available, population growth