1. Which animals have four-chambered hearts?
2. The barrier to invasion by microbes involves?
3. Which are divided into two groups: T cells and B cells? Macrophages, lymphocytes, complete cells, or platelets
4. Gas exchange across a membrane requires: moisture, transport proteins, pressure gradients, moisture and pressure, or all of the above
5. Actual exchange of gases in the lungs occur in the?
6. Ducts from the pancrease and gall bladder enter the?
7. Which is most likely an indicator of a bacterial infection? sugar in urine, acidic urine, alkaline urine, or protein in urine
8. Which is not true of asexual reproduction?
It is more suitable for reproduction in animals in stable environment, It results in offspring that are identical to each other, It promotes genetic variation in each successive generation, Budding is one type of asexual reproduction, or The offspring are genetically identical to the parent.
9. The heart, muscles, bones, and blood develop primarily from?
10. A group of individuals of the same species occupying a given are defines a?