2.2. Features of organisms
A subsection of Biology, 5090, through 2. Classification
Listing 10 of 34 questions
Organisms can be classified into groups using the features they share. Fish are one of the main groups of vertebrates. State three main features used to classify an organism as a fish. State two main groups of vertebrates other than fish. Swordfish are large fish that live in the ocean. They have a long, bony extension to the skull, called a sword. is a diagram of a swordfish. sword The binomial name of the swordfish is Xiphias gladius. Define the term species. State the species name of the organism shown in . Swordfish swim near the surface of the ocean where the water temperature is low. During evolution, swordfish developed a muscle behind each eye that warms the eyes and the brain to a temperature above that of the ocean. This feature gives swordfish improved vision. Name the process that led to the evolution of the muscle behind each eye of the swordfish. Suggest reasons why the evolution of this feature has adapted swordfish to survive in the ocean.
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THEORY
2024
Paper 2, Variant 2
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