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WorksheetsColonisation and Succession
Total questions: 15
Worksheet time: 8mins
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
Examples of Abiotic Factors include:
Weather, birds, plants, and animals
Rocks, reptiles, shrubs, trees, and grasses
Weather, wind, rain, sunlight, and rocks
Birds, plants, animals, reptiles, shrubs, trees, and grasses
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.
Which of the following best
describes biodiversity
A. a diverse Biology class
B. variety of all life on earth
C. a variety of plants
D. a variety of animals
Which of the following is not a result of climate change partially caused by burning fossil fuels?
Leaves changing color in the fall months.
Caribou not being able to receive food for their young because of an earlier spring season.
Ice melting in the polar regions, causing polar bears to drown.
Acid rain falling on homes and buildings.
It is the interaction between biotic and abiotic factors.
mangrove swamp
ecosystem
food chain
rainforest
mangrove tree
producer
consumer
herbivore
carnivore
crocodile
herbivore
carnivore
omnivore
producer
What is the name of a plant or tree that has adapted to live in salt water?
Hydrophyte
Pyrophyte
Halophytes
Epiphyte
Why are mangroves important at a GLOBAL scale?
Protect against tropical storms
Carbon sinks
Provide employment
Tourism
How do mangroves help protect humans from hurricanes and tsunanis?
They release salt into the air, which neutralizes these events.
The birds, animals, and fish in the mangroves get killed instead of the humans.
They absorb up to 90% of the impact of these events.
This statement is false. Mangroves help cause hurricanes and tsunamis.
What are some of the natural resources in mangroves? Choose all of the correct answers.
Fish
Birds
Wood
Oysters
All of the above
