Chapter 6 (Adaptation for survival)
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Name three methods plants and animals use to protect themselves from predators.
~ Mimicry ~ Colour ~ Camouflage
What is the basic principle of camouflage?
An animal is difficult to distinguish from its surroundings.
List the five ways the colour method works.
~ They have the same colour as their surroundings. ~ They can have colour patterns. ~ They can be darker on the top. ~ They can change colour. ~ They have bright warning colours.
Explain mimicry.
One animal imitates shape, colour And behavior of another species.
Does the ability of water in an environment determine the type of plant in that area?
Yes
Is water a restricting factor? Why?
Yes, too much water will drown plant. Too little water will dry plant out.
What are the three main groups of plants?
~ Hydrophytes ~ Xerophytes ~ Mesophytes
What are Hydrophytes?
Plants that live in or near water.
What are Xerophytes?
Plants that survive on very little.
What are the three types of Xerophytes?
~ Succulents ~ Non-succulents ~ Drought-escaping
What are succulents?
Plants that overcome the shortage of water by storing it in their leaves, roots or stems.
What is a Non-succulent?
Plants that don’t store water, but adapted to lose as little water as possible.
What are Drought-escaping plants.
Plants that overcome the dry season in the form of seeds.
What is a Mesophyte?
Plants that live in moderate regions.