The first terrestrial vertebrates evolved from
...The first terrestrial vertebrates evolved from
pisces
reptilia
amphibia
mammalian
Correct answer is A
The earliest vertebrates resembled hagfish and lived more than 500 million years ago. As other classes of fish appeared, they evolved traits such as a complete vertebral column, jaws, and a bony endoskeleton. Amphibians were the first tetrapod vertebrates as well as the first vertebrates to live on land.
The fungi are a distinct group of eukaryotes mainly because they have ...
ln the process of succession, a climax community is established when ...
Which of the following Best explains why It is difficult to see clearly in dim light? ...
For pollen to be released in Crotalaria the insect must depress the ...
In a dicotyledonous stem, the zone between the epidermis and the pericycle is the ...
In evolution, analogous structures are significant because they show ...
Which of the following is a nitrogen-fixing blue-green soil algae? ...
The following are useful measures for forest conservation except ...
Which of the following structural features are adapted for uses other than water conservation? ...