Chapter 2, Problem 2CP

The body system responsible for structural support and movement is the ________. cardiovascular system endocrine system muscular system skeletal system

The smallest independently functioning unit of an organism is a(n) ________. cell molecule organ tissue

Figure 28.3 Which of the following statements is false? Choanocytes have flagella that propel water through the body. Pinacocytes can transform into any cell type. Lophocytes secrete collagen. Porocytes control the flow of water through pores in the sponge body.

Definition Correct Answer Possible Answers nose ___________________ aden/o liver ___________________ cardi/o gland ___________________ hepat/o heart ___________________ ot/o ear ___________________ rhin/o

Which of the following is not a type of tissue? muscle nervous embryonic epithelial

How could the increasing global temperature associated with climate change impact ectotherms? Ectotherm diversity will decrease in cool regions Ectotherms will be able to be active all day in the tropics Ectotherms will have to expend more energy to cool their body temperatures Ectotherms will be able to expand into new habitats.

Figure 28.45 Which of the following statements about insects is false? Insects have both dorsal and ventral blood vessels. Insects have spiracles, openings that allow air to enter. The trachea is part of the digestive system. Insects have a developed digestive system with a mouth, crop, and intestine.

What is the position of the body when it is in the normal anatomical position? The person is prone with upper limbs, including palms, touching sides and lower limbs touching at sides. The person is standing facing the observer, with upper limbs extended out at a ninety-degree angle from the torso and lower limbs in a wide stance with feet pointing laterally. The person is supine with upper limbs, including palms, touching sides and lower limbs touching at sides. None of the above

The man pictured in Figure 4.17 wears skin ornaments applied by piercing. Among other functions, the skin is a barrier to potentially dangerous bacteria, and some people object to extensive body piercing on the grounds that it opens the door to infections. Explain why you do or dont agree with this objection. Figure 4.17 This young man has chosen to undergo multiple body piercings.