A build-up of pressure in this area causes the eye to change shape and the blood vessels supplying the rods and cones to collapse. This area where the pressure may rise is called the ________
A) vitreous humor
B) posterior chamber
C) anterior chamber
D) tear glands
C
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Light consists of units of energy called
A. neutrons. B. electrons. C. photons. D. pigments. E. calories.
The point at which various factors that influence the level of some regulated function (such as body weight) achieve an equilibrium; the idea is that as body-fat levels increase, changes occur that tend to limit further increases until a balance is achieved between all factors that encourage weight gain and all those that discourage it
What will be an ideal response?
Of the following combination of statements about protostomes and deuterostomes, which choice is correct?
A. Protostomes are animals in which the mouth develops from the blastopore, and the anus or anal pore develops from the second opening. Deuterostomes are animals in which the anus develops from the blastopore and the mouth develops secondarily later in their development. B. Protostomes are animals in which the mouth or anus develops from the blastopore, depending on the species. Deuterostomes are animals in which the mouth and anus develops from the blastopore, depending on the species. C. Protostomes are animals in which the anus develops from the blastopore, and the mouth develops from the second opening. Deuterostomes are animals in which the anus develops from the blastopore and the mouth develops secondarily later in their development. D. Protostomes are animals in which the mouth develops from the blastopore, and the anus or anal pore develops from the second opening. Deuterostomes are animals in which the mouth develops from the blastopore and the anus develops secondarily later in their development.
A cladogram is the name of a taxonomic category into which organisms are placed when their evolutionary relationships to each other are being investigated.
a. true b. false