Which of the following statements account for the change in population seen between years 7 and 8?

The death rate of the pigeons exceeded the birth rate.

The birth rate of the pigeons increased.

The emigration rate of the pigeons decreased.

The neighborhood reached its carrying capacity for the pigeon population

The difference between weather and climate is that climate is :

The average, year-to-year conditions

Described in terms of months at a time

In the ocean nitrogen is often the limiting nutrient. What does this term mean?

Nitrogen is scarce or cycles very slowly through the ecosystem.

An unlimited amount of nitrogen is in the ecosystem

The presence of nitrogen limits the availability of other nutrients

Nitrogen is overabundant or cycles very quickly through the ecosystem

In addition to energy, organisms need matter to survive. Which of the following is true about matter in the biosphere?

Biogeochemical cycles transform and reuse molecules

The total amount of matter decreases overtime

The total amount of matter increases overtime

Matter flows through ecosystems in one direction

Although phosphorus is of great biological importance, it is not very common in the biosphere. Why is this?

Phosphorus doesn’t cycle through food webs

Phosphorus doesn’t enter the atmosphere

Phosphorus have been depleted by biological organism

Phosphorus evaporates easily and is quickly destroyed by sunlight

What does a food web represent?

All connections of energy flow throughout all organisms in a habitat.

The specific ways that mutualism is carried out.

A single pathway or energy flow between organisms.

Which one best describes what a food chain is?

Energy flowing through the ecosystem

A chain that shows who eats who

A chain that shows how life works

Energy flowing through animal cells

A volcano in Hawaii erupts and completely decimates a nearby ecosystem covering everything in liquid hot magma. After the magma cools how would you expect life to come back the the ecosystem?

lichens/mosses -> grasses -> shrubs -> small trees -> large trees

grasses -> small trees -> flowers -> shrubs -> large trees

mosses -> wild flowers -> grasses -> shrubs -> large trees

grass -> wild flowers -> shrubs -> small trees -> large trees

Which of the following only lists biotic factors that can be found in this ecosystem in Alaska?

moss, aspen trees, weasels, and raccoons

Evolution is inheritable changes to a population that adapt to an environment.

Evolution is the changes to one's ecosystem

Evolution is the adaptation to ones environment

Evolution is changes to an environment that change overnight

Which of the following best describes an ecosystem?

all the living organisms in an area and their physical surroundings

all the living organisms of the same species throughout the world

all the living organisms in one area

An organisms that uses sunlight to make its own food

An organism that eats dead organisms

An organism that eats other organisms

An organism that produces protein

Which of the following best describes an ecosystem?

all the living organisms in an area and their physical surroundings

all the living organisms of the same species throughout the world

all the living organisms in one area

Ecology questions

Authored by Adeboye Timothy

Biology

University

NGSS covered

Used 1+ times

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61 questions

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is ecology

Room to stay

Environment

Where life interact with non living

Grass

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Mistletoe grows and spreads on trees, taking their nutrients:

predation

parasitism

mutualism

commensalism

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-1

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Barnacles do not affect whales as they grow, but receive the benefit of a food source. This is

parasitism

mutualism

commensalism

neutralism

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is this picture describing?

It is describing natural selection.

It is describing direct competition between flamingos and ducks.

It is describing abiotic factors of the tundra.

It is describing the niche of each bird.

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

90% of the energy that gets lost as you move up a food pyramid or chain gets lost as

pollution to the environment

heat to the environment

energy for decomposers

gets recycled

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In the energy pyramid below, which organism has the least amount of energy available?

Producers

Herbivores

Carnivores

Top Predator

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

coyote

insect

lizard

shrub

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

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Ecology questions

What is ecology

Mistletoe grows and spreads on trees, taking their nutrients:

Barnacles do not affect whales as they grow, but receive the benefit of a food source. This is

What is this picture describing?

90% of the energy that gets lost as you move up a food pyramid or chain gets lost as

In the energy pyramid below, which organism has the least amount of energy available?

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

Which of the following statements account for the change in population seen between years 7 and 8?

A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?

Which organisms would be at the top or last trophic level?

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