Classification of Animals — Flashcards
ICSE · Class 7 · Biology
35 flashcards for Classification of Animals (ICSE Class 7 Biology) to test yourself on key terms and facts. Part of the ICSE Class 7 Biology syllabus.
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What are the two main groups of animals based on the presence or absence of a backbone?
Answer
Animals are classified into invertebrates and vertebrates. Invertebrates do not have a backbone, while vertebrates have a backbone or vertebral column.
What is heterotrophic nutrition in animals?
Answer
Animals are heterotrophic because they cannot prepare their own food. They depend on plants or other animals for nutrition.
What is locomotion?
Answer
Locomotion is movement from one place to another, usually in search of food or shelter.
What are invertebrates?
Answer
Invertebrates are animals that do not have a backbone. They are divided into eight phyla: Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, and Echinodermata.
What are vertebrates?
Answer
Vertebrates are animals with a backbone. They are divided into five classes: Pisces, Amphibia, Reptilia, Aves, and Mammalia.
Porifera: What is special about the body of a sponge?
Answer
Porifera have a porous body with many tiny pores to draw water in and one large pore to pass it out. Sponge is a common example.
Why are sponges called pore-bearing animals?
Answer
They are called pore-bearing animals because their bodies have many tiny pores for water intake and one large pore for outflow.
Cnidaria: What is the body plan of Hydra, jellyfish, and sea-anemone?
Answer
Cnidaria are aquatic animals with a sac-like body and only one opening, the mouth. The mouth is surrounded by tentacles. They are radially symmetrical, which means the body can be divided into two ide…
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