KK12 Cambridge Biology: Adaptation and Diversity Topic 4

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What type of interaction between species is characterized by a close and long-term biological relationship?

Competition

Symbiosis (correct)

Predation

Mutualism

What is the term for a group of organisms of the same species living in the same location at the same time?

Population (correct)

Species

Community

Ecosystem

What is the role of decomposers in an ecosystem?

To produce their own food

To consume other organisms

To compete with other organisms for resources

To break down dead organic matter (correct)

What is the term for a species that has a significantly large impact on an ecosystem?

Keystone species (B) Signup and view all the answers

What is the difference between a food chain and a food web?

A food chain is a linear depiction, while a food web is more intricate (D) Signup and view all the answers

What is the term for the combination of organisms and their habitat, including interactions between biotic and abiotic factors?

Ecosystem (D) Signup and view all the answers

What is the primary purpose of adaptations in an organism?

To enhance its survival and existence in a wide range of environments (D) Signup and view all the answers

Which type of adaptation involves a cellular process that increases an organism's chance of survival?

Physiological Adaptation (A) Signup and view all the answers

What is an example of a behavioural adaptation in animals?

The hibernation of bears during winter (A) Signup and view all the answers

Why is genetic diversity important within a species or population?

It allows the species to adapt to a wide range of environments (D) Signup and view all the answers

What is the main difference between adaptation and evolution?

Adaptation is a change in an individual, while evolution is a change in a population (A) Signup and view all the answers

Who has contributed to our understanding of adaptations in organisms?

Aboriginal and Torres Strait Islander peoples, as well as scientists (C) Signup and view all the answers

What is the primary reason why plants exhibit phototropism?

To photosynthesize and produce energy (C) Signup and view all the answers

What is the characteristic of the lawyer-cane plant that allows it to reach light in crowded rainforests?

Its rings of small hooks that attach to other plants (D) Signup and view all the answers

What is the term for the turning of all or part of an organism in response to external stimuli?

Tropism (C) Signup and view all the answers

What is the benefit of the Aboriginal and Torres Strait Islander people's knowledge of plant adaptations?

It helps them to survive in the hostile land (A) Signup and view all the answers

What is the adaptive feature of the water-holding frog that allows it to survive dry periods?

Its ability to store water under its skin (C) Signup and view all the answers

What is the underlying mechanism that enables plants to grow in particular directions?

Physiological processes (D) Signup and view all the answers