According to the fossil record, which of the following evolved first?
Cnidarians are herbivores that use their tentacles to trap p…
Cnidarians are herbivores that use their tentacles to trap plant matter.
An example of an animal that primarily has a medusa body for…
An example of an animal that primarily has a medusa body form is __________________.
Almost 2/3 of all named species on Earth belong to the Phylu…
Almost 2/3 of all named species on Earth belong to the Phylum ________________
Which of the following statements is true of the phylum Nema…
Which of the following statements is true of the phylum Nematoda?
Which of the following characteristics allowed amphibians to…
Which of the following characteristics allowed amphibians to successfully invade land?
Which region of the brain can control your respiration?
Which region of the brain can control your respiration?
Which of the following arrows is pointing to the diaphragm…
Which of the following arrows is pointing to the diaphragm?
The alveolus is able to exchange oxygen and carbon dioxide w…
The alveolus is able to exchange oxygen and carbon dioxide with capillaries because it is one cell layer thick and is composed of simple squamous epithelium.
The 3 essential functions of the nasal cavity are to *Select…
The 3 essential functions of the nasal cavity are to *Select up to three choices that apply. Any incorrect choices will negate a point from a correctly chosen answer.