Adaptations
Morphological, physiological, and behavioural adjustments in organisms that enable them to survive and reproduce in their specific habitats.
What is Adaptations?
A heritable trait that increases an organism's fitness in its environment.
Key points
- Define adaptation and its significance.
- Differentiate between morphological, physiological, and behavioural adaptations.
- Provide examples of adaptations in plants and animals.
- Explain the role of natural selection in the development of adaptations.
Common exam trap
Confusing adaptations with acquired characteristics (Lamarckian inheritance).
Definitions
- Term
Adaptation
- Meaning
A heritable trait that increases an organism's fitness in its environment.
- Term
Fitness
- Meaning
The ability of an organism to survive and reproduce in its environment.
- Term
Natural Selection
- Meaning
The process whereby organisms better adapted to their environment tend to survive and produce more offspring.
- Term
Habitat
- Meaning
The natural home or environment of an animal, plant, or other organism.
Learning objectives
Define adaptation and its significance.
Differentiate between morphological, physiological, and behavioural adaptations.
Provide examples of adaptations in plants and animals.
Explain the role of natural selection in the development of adaptations.
Prerequisites
Basic understanding of evolution and natural selection.
Knowledge of different types of environments (habitats).
Common mistakes
Confusing adaptations with acquired characteristics (Lamarckian inheritance).
Thinking adaptations arise consciously or purposefully by the organism.
Overlooking the role of natural selection in shaping adaptations.
Not distinguishing between different types of adaptations (morphological, physiological, behavioural).
Keywords
Adaptation
Evolution
Natural Selection
Survival
Reproduction
Habitat
Morphological
Physiological
Behavioural
Fitness
Ecology
Practice preview
Desert plants, like cacti, have spines instead of leaves. This is an adaptation primarily to:…
easy
The ability of some animals to change their body colour to match their surroundings is an example of:…
medium
The migration of birds during winter is a behavioural adaptation primarily driven by:…
medium