Worksheets7iseilv
Total questions: 17
Worksheet time: 9mins
How do biodiversity and stability work together?
The lower the biodiversity the greater the stability of an ecosystem.
The higher the biodiversity, the less stable the ecosystem
The higher the biodiversity, the greater the stability of the ecosystem.
Biodiversity has nothing to do with ecosystem stability.
Which habitat exhibits the greatest biodiversity?
A habitat with 15 different species with about 300 individuals each
A habitat with 10 different species with about 75 individuals each
A habitat with 4 different species with about 150 individuals each
A habitat with only one species with about 2000 individual
Which statement best describes an example of high biodiversity?
A pond ecosystem is populated by a single species of frogs
A desert ecosystem is populated by organ pipe cacti, camels, and armadillo lizards
A state park that includes multiple forest and freshwater ecosystems with many different species of fish, birds and frogs in a variety of colors
Define species diversity
a variety of genes and traits within a species
a variety of ecosystems in a given area
system made up of all the living and nonliving things in a given area
a variety of species in an ecosystem
A decomposer?
Eats dead plants or animals and breaks down to put nutrients in the soil
Eats plants or other animals for food
Makes its own food
Machine that gathers trash
What do herbivores eat?
Only plants
plants and animals
only other animals
dead organisms
Which choice has a group of only consumers?
grass, cows, birds
tigers, turtles, seaweed
owl, snake, bear
castus, sun, mushroom
What is the term for secondary consumers in an ecosystem?
Herbivore
Carnivore
Omnivore
Which do you think has a higher species diversity biodiversity, a food chain or a food web?
Food Chain
Food Web
In general, as you move from the equator to the poles, what happens to biodiversity ?
Increases
Decreases
Remains the same
Why is biodiversity in an ecosystem so important?
Because it can help humans where to determine good places to develop farm land.
Because places that have a healthy biodiversity are unaffected by major disturbances.
Because having a high biodiversity allows ecosystems to withstand major changes.
Because having a high biodiversity allows for fewer opportunities of competition for similar resources.
Which of the following organisms play a crucial role in breaking down organic matter into simpler substances?
Producers
Consumers
Decomposers
Predators
In a food web diagram, decomposers are typically found at which trophic level?
Primary consumers
Secondary consumers
Tertiary consumers
At the base of the food web
What is the primary function of decomposers in an ecosystem?
They convert sunlight into energy.
They regulate the population of herbivores.
They break down dead organic matter into nutrients.
They provide energy to predators in the ecosystem.
In an energy pyramid, where would decomposers most likely be found?
At the top
In the middle
At the bottom
At every level equally
Which of the following is an example of a decomposer in an ecosystem?
Rabbit
Hawk
Mushroom
Deer
Meen 3mk ?
Zeyad
Mohamed Tarek
Hazem
Yousef Salah
none of the above
