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Must Know High School Biology

Kellie Ploeger Cox

Chapter 23

Animals Need Homeostasis - all with Video Answers

Educators

Chapter Questions

02:40

Problem 1

Why is maintaining homeostasis so important for organisms?

Hiram Johnson
Hiram Johnson
Numerade Educator
03:47

Problem 2

How does a positive feedback loop differ from a negative feedback loop?

Sarah Gao
Sarah Gao
Numerade Educator
01:47

Problem 3

Fill in the following table:
\begin{tabular}{|l|l|l|}
\hline \multicolumn{1}{|c|}{ Form of nitrogenous } & \multicolumn{1}{|c|}{ Notable quality waste } & \multicolumn{1}{|c|}{ Type of critter } \\
\hline Ammonia & Won't toxify us when stored in our bodies & Mammals \\
\hline & & Bird \\
\hline
\end{tabular}

Joanna Quigley
Joanna Quigley
Numerade Educator
00:29

Problem 4

The process of maintaining proper levels of water and solutes in the blood is referred to as The millions of small in the kidneys are able to adjust the amount of water reabsorbed back into the bloodstream by changing the number of proteins that line the collecting ducts. The chemical signal that numbers of these transport proteins is

Joanna Quigley
Joanna Quigley
Numerade Educator
00:20

Problem 5

Fill in the blanks and choose the correct term from the given pair: When maintaining homeostatic levels of glucose in the bloodstream, the hormone is responsible for raising/lower raising/lowering blood glucose levels. One way it removes free glucose from the bloodstream is by stimulating the to take in glucose and form the storage polymer,

Joanna Quigley
Joanna Quigley
Numerade Educator
01:19

Problem 6

Why is it advantageous for birds and insects to produce uric acid as their form of nitrogenous waste?

Sulav Pokhrel
Sulav Pokhrel
Numerade Educator
01:45

Problem 7

If the stimulus was an increase in blood osmolarity, what two responses would occur to reestablish homeostasis?

Anand Jangid
Anand Jangid
Numerade Educator
02:44

Problem 8

Choose the correct term from the following pair and then fill in the blank: Land animals have kidneys that work more like marine/freshwater fish because land animals are also battling water loss. The kidneys save water by reabsorbing it back into the instead of allowing too much to be excreted in the urine.

Cody Delk
Cody Delk
Numerade Educator