WorksheetsEcology Part 3 {from week 6} 4th and 8th only!!
Total questions: 20
Worksheet time: 10mins
Natural disturbances, such as fires or hurricanes, can result in
A.parasitism.
B.competition.
C.commensalism.
D.succession.
The end result of ecological succession is usually a(n)
A.land biome.
B.aquatic biome.
C.unstable community.
D.climax community.
Which of the following is not a possible cause of ecological succession?
A. fire
B. flood
C. earthquake
D. change of season
. Which of the following is an example of primary succession?
A.lichens growing on rocks following a volcanic eruption
B.grasses growing after a forest fire
C.oak trees replacing pine trees in a forest
D. non-native species introduced into a climax community
Several years after a building had been torn down and the ground cleared, grasses began to grow in that area. After 10 years, small bushes replaced the grasses. This pattern of plant growth is known as:
Biological
control
Cover cropping
Ecological
succession
Land-use
management
Scientists found, that over a period of 200 years, a mountain pond was transformed into a meadow. During that time, several communities of organisms were replaced by different communities. Which of these best explains why new communities were able to replace older communities?
A.The original species became extinct.
A.Species in the older community died from old age.
A.The abiotic characteristics of the habitat changed.
A.Diseases that killed the older organisms disappeared.
When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.
Water
Atmosphere
Soil
Air
The further away from the equator you travel, the ___________ the latitude.
lower
higher
What Biome would you expect to see close to the Equator?
Desert
Grasslands
Tundra
Rainforest
Challenge Question: Why are over 80% of all malaria cases found in the part of Africa that is South of the Saharan Desert?
The high rainfall allows mosquitos to breed, spreading the disease easily.
The hot temperatures deter people from wearing protective clothing.
Many countries in this region have large human populations.
All of the above.
Which biome is characterized by evaporation exceeding precipitation?
desert
temperate deciduous
taiga
boreal
Which terrestrial biome contains the most species diversity?
temperate rain forest
tropical rain forest
tropical grassland
prairie
What is the name for a large geographic areas with similar climax communities?
ecosystem
biome
biosphere
climax community
Which group of organisms is NOT represented in the diagram?
decomposers
herbivores
consumers
producers
In which biome are most animals nocturnal?
tundra
boreal
desert
tropical
