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Animal Kingdom
The group of anamniota includes:
reptiles and birds
birds and mammals
fishes and amphibians
reptiles, and mammals
C.
fishes and amphibians
Anamniote are an informal group comprising the fishes and the amphibians. Amnion is an extraembryonic membrane that surrounds an embryo in reptiles, birds and mammals. Anamniotes are vertebrate animals as they lack amnion membrane e.g., fishes and amphibians.
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“All vertebrates are chordates but all chordates are not vertebrates”. Justify the statement.
How important is the presence of air bladder in Pisces?
What are the modifications that are observed in birds that help them fly?
Could the number of eggs or young ones produced by an oviparous and viviparous mother be equal? Why?
Segmentation in the body is first observed in which of the following
Match the following:
Prepare a list of some animals that are found parasitic on human beings.
In some animal groups, the body is found divided into compartments with at least some organs/ organ repeated. This characteristic feature is named
Given below are types of cells present in some animals. Which of the following cells can differentiate to perform different functions?
Which one of the following sets of animals share a four chambered heart?
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