according to the diagram provided, which statement is not true regarding the cladogram?\na birds and…
according to the diagram provided, which statement is not true regarding the cladogram?\na birds and crocodiles are more closely related than birds and mammals.\nb caecilians are more related to sharks than caecilians and frogs and toads.\nc frogs and toads are more closely related to salamanders than mammals and sharks.\nd crocodilians are more closely related to tortoises and turtles than sharks and birds.
Answer
Brief Explanations:
In a cladogram, organisms that share a more recent common - ancestor are more closely related. Analyzing each option:
- Option A: Birds and crocodiles share a more recent common ancestor than birds and mammals, so this is true.
- Option B: Caecilians and frogs/toads share a more recent common ancestor compared to caecilians and sharks. So, the statement that caecilians are more related to sharks than to frogs and toads is false.
- Option C: Frogs and toads share a more recent common ancestor with salamanders than with mammals and sharks, so this is true.
- Option D: Crocodiles share a more recent common ancestor with tortoises and turtles than with sharks and birds, so this is true.
Answer:
B. Caecilians are more related to sharks than caecilians and frogs and toads.