This group of Homonids is believed to be the first to develop the ability to speak:

In amniotic eggs, this membrane layer stores waste products from the embryo and also serve as a gas exchange organ from the embryo.

This group is though to be the most primitive primates, consisting of lemurs and tarsiers.

Which of the following is not a characteristic of Primates?

Cartilaginous fish belong to this Class:

This term describes organisms whose internal temperature and metabolism is affected by the temperature of the environment:

This group of Mammals is known for laying eggs.

Snakes use their tongue to collect airborne molecules and then transfers them to their __________, which is their olfactory organ.

This organism lives on the ocean floor and “squirts” water out of its excurrent siphon when disturbed.

One of the most primitive living Vertebrates, this organism has no true jaw structure, lacks paired fins and is ectoparasitic to other fish: