Ecology Revision Quiz

In which kingdom would you classify the mold that grows on bread?

• Fungi
• Protista
• Plantae
• Animalia

Answer explanation

Mold is a fungus, not a plant, because it doesn't make its own food.

Which scientist created the modern classification system for organisms?

• Aristotle
• Carl Linnaeus
• Zacharias Jansen
• Ernest Haeckel

Answer explanation

Carl Linnaeus developed a system to classify all living organisms into groups.

A dichotomous key typically branches in what way?

• Into two options at each step
• Into four options at each step
• Into many overlapping branches
• Into circles

Answer explanation

A dichotomous key splits into two choices at each step, helping to identify organisms.

What phylum does an earthworm belong to?

• Mammalia
• Annelida
• Chordata
• Arthropoda

Answer explanation

Earthworms belong to the phylum Annelida, which includes segmented worms.

What provides the initial source of energy for most ecosystems?

• Plants
• Bacteria
• The sun
• Decomposers

Answer explanation

The sun is the main source of energy for plants, which then support the whole ecosystem.

What would happen if crickets vanished from an ecosystem's food chain?

• Certain predators would starve
• Grass would face less predation
• Other herbivores face less comp
• All of the above

Answer explanation

If crickets disappeared, it would affect both predators and plants in the ecosystem.

Which is an example of an abiotic factor in an ecosystem?

• Water and sunlight
• Fungi and bacteria
• Plants and decomposers
• Predators and prey

Answer explanation

Abiotic factors are non-living things like water and sunlight, which affect ecosystems.

A symbiotic relationship where both organisms benefit is called what?

• Parasitism
• Commensalism
• Mutualism
• Competition

Answer explanation

Mutualism is when two organisms benefit from living together, like bees and flowers.

What is the best definition of urban sprawl?

• Growth of cities into rural
• Pollution spreading from cities
• Expansion into wild habitats
• Industrial dev. in ecosystems

Answer explanation

Urban sprawl refers to cities spreading into rural areas, which can affect local ecosystems.

The blackberry plant is what type of species in Australia?

• Native species
• Invasive species
• Endemic species
• Wild plant

Answer explanation

Invasive species are non-native and often cause harm to the environment, like blackberries in Australia.