Ecology

Front 1

Carbon is introduced into the atmosphere by all except which of the following means

Back 1

Wind erosion

Front 2

Photo autotrophs are

Back 2

Primary producers

Front 3

When plotting the number of individuals in a population against time the data yield a J-shaped curve indicating which of the following

Back 3

Exponential growth

Front 4

Which of the following are heterotrophs

Back 4

Herbivores, decomposers, primary carnivores, detritivores

Front 5

In which of the following locations does carbon remain for the shortest time

Back 5

Tropical forest

Front 6

Each trophic level in a food chain or food web contains a certain amount of organic matter called

Back 6

Biomass

Front 7

Herbivores represents the

Back 7

Primary consumers

Front 8

Which of the following is not one of the major processes of the water cycle

Back 8

Lunar tides

Front 9

Which of the following is said to occur when an interaction benefits one species but has little if any effect on the other

Back 9

Commensalism

Front 10

The primary consumer is also

Back 10

The second link in a food chain and likely an herbivores animal

Front 11

Which of the following exhibits secondary ecological succession

Back 11

Recently flooded land

Front 12

When populations of two different species interact over long periods of time changes in the gene pool of one species can lead to changes in the gene pool of the other. This is called

Back 12

Coevolution

Front 13

Which of the following is a way that humans harmfully impact the water cycle

Back 13

Change natural flood control by disturbing wetlands

Increasing runoff by clearing vegetation from the land

Increased runoff due to crops buildings and pavement

Over pumping of aquifers

Front 14

Which of the following survivorship curves applies to long lived large mammals

Back 14

Type 1

Front 15

Wastes would accumulate and the recycling of most nutrients would stop if the..... in the ecosystem died

Back 15

Decomposers

Front 16

A secondary consumer usually eats

Back 16

Anything below it in the food web

Front 17

An array of organisms together with their physical environment is which of the following

Back 17

Ecosystem

Front 18

Which of the following terrestrial ecosystem or life zones produces the lowest net primary productivity per year

Back 18

Extreme desert

Front 19

At the top of a pyramid of biomes are the

Back 19

Tertiary consumer (3rd level)

Front 20

The process by which some bacteria turn atmospheric nitrogen into a usable form is called

Back 20

Denitrification

Front 21

The hydrological cycle is the movement of

Back 21

Water

Front 22

Complex network of interconnected food chains are

Back 22

Food webs