The lymphatic system has the following functions except:
a. Transport
b. Regulates the plasma in the body
c. Defense
d. Absorption of fat
Ans: b. Regulates the plasma in the body
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An insect larva that is immediately ready to move and feed after birth is termed
A) altricial. B) precocial. C) semelparous. D) iteroparous.
Discuss factors that must be taken into account when setting standards for safe levels of exposure to potentially
harmful chemicals in the environment. Explain why setting these standards is such a complex task. What will be an ideal response?
Polar, water-soluble hormones usually affect cells by binding to intracellular receptors.
a. true b. false
A zygote is a fertilized egg formed by an egg and a sperm. The zygote undergoes many mitotic events as it develops into a solid ball of cells (ie, blastomeres) called a blastula. What changes occur in this early cleavage?
A. During the initial stages of cleavage, there is a tremendous increase in the number and size of blastomeres. B. During the initial stages of cleavage, there is no increase in the number of cells of the developing organism, but the size of the cells increases. C. During the initial stages of cleavage, there is a tremendous decrease in the number and size of blastomeres. D. During the initial stages of cleavage, there is a tremendous increase in the number of cells coupled with a decrease in the size of the cells composing the developing organism.