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18.2. Adaptive features
A subsection of Biology, 0610, through 18. Variation and selection
Listing 10 of 19 questions
An adaptive feature helps an organism survive in its environment. Adaptive features are inherited. contains diagrams of three animals. For each animal, select one adaptive feature visible in and briefly suggest how it helps the animal to survive. An example has been done for you. not drawn to scale animal C red deer adaptive feature: antlers on head help in survival: used for defence against predators animal D saltwater crocodile adaptive feature: help in survival: shows a giraffe and an okapi. The long neck is an adaptive feature for giraffes. It helps them feed on leaves that other animals like the okapi cannot reach. Giraffes developed long necks by the process of natural selection.
0610_s17_qp_31
THEORY
2017
Paper 3, Variant 1
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shows a photograph of a pseudoscorpion. A State two features, visible in , that can be used to classify this organism as an arachnid. State the kingdom that arachnids belong to. Complete the definition of the term adaptive feature by inserting the missing words. An adaptive feature is an feature that helps an organism to and in its environment. The part labelled A in is an adaptive feature of the pseudoscorpion. Suggest a function of the part labelled A in .
0610_s23_qp_32
THEORY
2023
Paper 3, Variant 2
View
is a photograph of an insect. Insects are arthropods. Arthropods belong to the animal kingdom. State the name of one other kingdom. State one feature visible in that is present in insects but not in the other groups of arthropods. Complete Table 1.1 by writing: • the names of two groups of arthropods other than insects • one identifying feature for each named group. Table 1.1 arthropod group name of the arthropod group identifying feature Complete the description of an adaptive feature. An adaptive feature is an feature that helps an organism to survive and in its environment. is a photograph of a leaf insect. State one adaptive feature visible in and suggest how the adaptive feature helps the animal to survive. feature suggestion
0610_s23_qp_33
THEORY
2023
Paper 3, Variant 3
View
Questions Discovered
19