WorksheetsEcosystems and biodiversity
Total questions: 41
Worksheet time: 23mins
At what level of an organism is an individual plant or animal?
Ecosystem
Population
Organism
Community
Which of the following describes an organism that demonstrates a behavioral adaptation to receive a benefit from a non-living component of its habitat?
Remora fish swim near sharks and eat the food scraps which are left behind when sharks eat
Tree sloths spend most of their days high in the canopy of the rainforest trees to avoid predators
Honeybees visit flower after flower, gathering nectar, which they turn into food.
Bearded dragons bask in the sunlight in order to warm up their bodies to the optimum temperature
Ecosystem is the level of organization that is best described as including –
only a single individual of a single species plant or animal.
two species that live in the same habitat and depend on each other.
all of the abiotic factors which characterize a geographic area.
various species in an area and the abiotic factors on which they depend
Community is the level of organization which is best described as all -
living and non-living components of an area.
living things, regardless of species, in an area.
members of a certain species in a given area.
members of a species regardless of where they live.
Which of the following describes an interaction between a biotic factor and an abiotic factor?
A pair of birds build a nest in a tree
A squirrel gathers nuts to store for winter
A black bear uses a cave for a winter home
A vulture eats the remains of a wild pig
The table lists levels of organization in an ecosystem from least complex to most complex. Which of the following belongs in the table where the question mark is?
Species
Population
Society
Class
Meat-eating desert reptiles depend on which of the following biotic factors to supply their needs?
Daytime temperature ranges above 30 degrees Celsius
Condensation of moisture on plants for drinking water
Small animals in their habitat on which they feed
Plants that bear fruits during the summer months
Which of the following best describes a population?
All the organisms in a habitat that compete for resources
All the organisms of a certain species in a given area
One individual and all the organisms on which it depends
All of the living organisms which can be found in an area
Which of the following lists includes only abiotic factors?
Rainfall amounts, average daily temperature, minerals in soil
Plants, animals, average daily temperature
Minerals in soil, plants, rainfall amounts
Animals, rainfall amounts, soil composition
Which of the following statements describes a community?
All of the members of a species in a given area
One member of a species in a given area
All of the members of a species that live anywhere
All of the different species of living things in an area
Which of the following describes a change to an abiotic factor of a squirrel’s habitat that could be harmful to it?
Increase in the population of food plants
Drought that depletes available water
Deforestation leading to reduced nesting sites
Increase in the population of local predators
What is the lowest level of organization of the biosphere, or the one that has the fewest members?
Community
Ecosystem
Organism
Population
Changes to land that was once without soil
Secondary succession
Primary succession
Niche
Habitat
The place where an organism lives
Secondary succession
Primary succession
Niche
Habitat
Changes to land that contained some soil and life
Secondary succession
Primary succession
Niche
Habitat
The functional role of an organism in an ecosystem
Secondary succession
Primary succession
Niche
Habitat
Living factors in an ecosystem are known as (a)
factors.
(a) is the variety of differences within an ecosystem.
(a) are geographical areas that contain different organisms suited for that environment.
Non living factors in an ecosystem are known as (a)
factors.
the study of the relationship between biotic and abiotic factors is called...
(a)
Major Biomes of the world include
Desert
Grassland
All types of forests
Ocean
Tundra
__________ __________ is the natural change that happens slowly but surely over an extensively long period of time.
Primary Succession
Ecological Succession
Secondary Succession
Uhhhhhhh...... I thought there were only 2 kinds of succession
__________ __________ is when species come back to their formal habitat, usually AFTER a disaster destroys their home.
Primary Succession
Ecological Succession
Secondary Succession
Uhhhhhhh...... I thought there were only 2 kinds of succession
__________ __________ is when pioneer species inhabit an environment with no soil exposed; FIRST TIME FOR INHABITATION TO TAKE PLACE
Primary Succession
Ecological Succession
Secondary Succession
Uhhhhhhh...... I thought there were only 2 kinds of succession?
Which of the following is in the correct order? (smallest to largest)
cells, tissue, organs, organ systems, organism, population, community, ecosystem, biome, biosphere
biosphere, cells, organism, organs, organ systems, population, biosphere, biome, ecosystem, community, tissue
biosphere, biome, ecosystem, community, population, organism, organ system, organ, tissue, cells
biosphere, tissue, organs, organ systems, organism, population, community, ecosystem, biome, cells
