7th Grade Unit 5 Ecosystems Question Preview (ID: 44860)


The living factors in an ecosystems are called
a) biotic
b) abiotic
d) undead

The giant salvinia plant in Northwest Louisiana is considered a(n) ____________ species because it is not native to this region.
a) invasive
b) welcome
c) predatory
d) unnatural

The variety of living things in an ecosystem refer to it's ______.
a) biodiversity
b) abiotic diversity
c) bioluminescence
d) biweekly

Organisms which make their own food are known as ______, while organisms that consume other organisms for energy are called _________.
a) autotrophs; heterotrophs
b) heterotroughs; autotrophs
c) heterozygous; homozygous
d) chefs; diners

A symbiotic relationship in which both species benefit is called
a) mutualism
b) commensalism
c) parasitism
d) predatory

A biome in which trees lose their leaves the autumn producing very fertile soil is called a _______ biome.
a) deciduous forest
b) rainforest
c) conifereous forest
d) enchanted forest

An energy pyramid is used to illustrate organisms and energy at each _________ level.
a) tropic
b) scavenger
c) omnivore
d) logistic

In an s-curve, the population starts off in a lag phase, increases exponentially, then levels off when the population reaches its ______.
a) carrying capacity
b) resource capacity
c) last straw
d) commensalism capacity

____________ break down dead organic material while ________ consume the carcasses of dead animals killed by another organism.
a) decomposers; scanvengers
b) scavengers; decomposers
c) scavengers; omnivores
d) decomposers; carnivores

A group of organisms of the same species in the same area at the same time is a ________, while all the groups of different species in the same area at the same time is a ______.
a) population; community
b) community; population
c) club; organization
d) taco cat spelled backwards is taco cat

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 44860 in the upper right hand corner or click here.

Log In
| Sign Up / Register