Question 1

Many terrestrial ectotherms regulate their temperature by ____. ​

Accepted Answer

A) moving into or out of the shade 
B) eating more 
C) hibernating 
D) growing more hair 
E) increasing metabolic rate 
A) moving into or out of the shade 
B) eating more 
C) hibernating 
D) growing more hair 
E) increasing metabolic rate

Question 2

Malpighian tubules are found in ____. ​

Accepted Answer

A) annelids ​ 
B) mammals 
C) flatworms 
D) insects 
E) reptiles 
A) annelids ​ 
B) mammals 
C) flatworms 
D) insects 
E) reptiles

Question 3

Most marine animals have an osmolarity of about ____ mOsm/L. ​

Accepted Answer

A) 5 ​ 
B) 225 
C) 300 
D) 1000 
E) 1500 
A) 5 ​ 
B) 225 
C) 300 
D) 1000 
E) 1500

Question 4

How do ectotherms control their body temperature?

Accepted Answer

Ectotherms use various behavioral respon

Question 5

Mammals may ____ as a response to cold in order to limit the amount of heat lost to the surroundings. ​

Accepted Answer

A) shiver 
B) go off to lay alone so that others do not take their heat 
C) press hair shafts close to the body 
D) reduce blood flow to the skin 
E) lose brown adipose tissue 
A) shiver 
B) go off to lay alone so that others do not take their heat 
C) press hair shafts close to the body 
D) reduce blood flow to the skin 
E) lose brown adipose tissue

Question 6

Molecules and ions reabsorbed from the nephron reenter the blood at the ____. ​

Accepted Answer

A) efferent arteriole 
B) peritubular capillaries 
C) renal artery 
D) afferent arteriole 
E) glomerulus 
A) efferent arteriole 
B) peritubular capillaries 
C) renal artery 
D) afferent arteriole 
E) glomerulus

Question 7

The hormone ADH causes the reabsorption of water in the kidney by increasing the number of aquaporin water channels in the plasma membrane of the collecting ducts.

Accepted Answer

A) True 
 B)False

Question 8

The smallest branches of ____ end with a large flame cell. ​

Accepted Answer

A) nephrons ​ 
B) hepatic tubules 
C) metanephridia 
D) Malpighian tubules 
E) protonephridia 
A) nephrons ​ 
B) hepatic tubules 
C) metanephridia 
D) Malpighian tubules 
E) protonephridia

Question 9

Match between columns
                        Premises: renal pelvis

Accepted Answer

The Answer of  D and  F and  is...

Question 10

Suppose sugar is removed from an excretory system tubule and returned to the blood. This would be an example of ____. ​

Accepted Answer

A) reabsorption 
B) excretion 
C) filtration 
D) secretion 
E) diffusion 
A) reabsorption 
B) excretion 
C) filtration 
D) secretion 
E) diffusion

Question 11

Osmoreceptors help the body deal with dehydration in part by stimulating release of ____. ​

Accepted Answer

A) atrial natriuretic factor 
B) renin 
C) aldosterone 
D) antidiuretic hormone 
E) angiotensin 
A) atrial natriuretic factor 
B) renin 
C) aldosterone 
D) antidiuretic hormone 
E) angiotensin

Question 12

An example of an endotherm is a ____.

Accepted Answer

A) mouse ​ 
B) salamander 
C) turtle 
D) frog 
E) snake 
A) mouse ​ 
B) salamander 
C) turtle 
D) frog 
E) snake

Question 13

The ____ in mammals allows water to exit but does not allow ions or urea to exit. ​

Accepted Answer

A) distal convoluted tubule ​ 
B) Bowman's capsule 
C) descending segment of the loop of Henle 
D) proximal convoluted tubule 
E) ascending segment of the loop of Henle 
A) distal convoluted tubule ​ 
B) Bowman's capsule 
C) descending segment of the loop of Henle 
D) proximal convoluted tubule 
E) ascending segment of the loop of Henle

Question 14

Match between columns
                        Premises: site of over half of the water reabsorption from the filtrate

Accepted Answer

The Answer of Bowman's capsule and proximal convoluted tubule and is...

Question 15

Many birds, such as seagulls which rarely drink fresh water, deal with the osmotic stress of taking in large quantities of salt in their food mainly by ____. ​

Accepted Answer

A) active transport of ions into the body through their feet ​ 
B) excreting nitrogenous wastes through their kidneys as urea 
C) active transport of ions out of the body by chloride cells 
D) excreting excess salt through the actions of specialized salt glands in their heads 
E) maintaining high levels of urea and trimethylamine oxide in body fluids 
A) active transport of ions into the body through their feet ​ 
B) excreting nitrogenous wastes through their kidneys as urea 
C) active transport of ions out of the body by chloride cells 
D) excreting excess salt through the actions of specialized salt glands in their heads 
E) maintaining high levels of urea and trimethylamine oxide in body fluids

Question 16

Match between columns
                        Premises: renal medulla

Accepted Answer

The Answer of  C and  D and  is...

Question 17

The kangaroo rat gets the bulk of its water from ____. ​

Accepted Answer

A) drinking liquids 
B) absorption through its skin 
C) ingesting food 
D) oxidative reactions in its cells 
E) reuptake of water from urine 
A) drinking liquids 
B) absorption through its skin 
C) ingesting food 
D) oxidative reactions in its cells 
E) reuptake of water from urine

Question 18

Nitrogenous waste is excreted from Malpighian tubules mainly in the form of ____. ​

Accepted Answer

A) nitrate ​ 
B) ammonia 
C) uric acid 
D) amino acids 
E) urea 
A) nitrate ​ 
B) ammonia 
C) uric acid 
D) amino acids 
E) urea

Question 19

The main form of nitrogenous wastes released by aquatic invertebrates to their environment is ____. ​

Accepted Answer

A) nitrate ​ 
B) ammonia 
C) uric acid 
D) amino acids 
E) urea 
A) nitrate ​ 
B) ammonia 
C) uric acid 
D) amino acids 
E) urea

Question 20

The osmoreceptors that detect and react to dehydration are located in the ____. ​

Accepted Answer

A) hypothalamus 
B) adrenal glands 
C) efferent arteriole 
D) kidneys 
E) posterior pituitary 
A) hypothalamus 
B) adrenal glands 
C) efferent arteriole 
D) kidneys 
E) posterior pituitary

Exam 48: Regulating the Internal Environment

Many terrestrial ectotherms regulate their temperature by ____. ​

Malpighian tubules are found in ____. ​

Most marine animals have an osmolarity of about ____ mOsm/L. ​

How do ectotherms control their body temperature?

Mammals may ____ as a response to cold in order to limit the amount of heat lost to the surroundings. ​

Molecules and ions reabsorbed from the nephron reenter the blood at the ____. ​

The hormone ADH causes the reabsorption of water in the kidney by increasing the number of aquaporin water channels in the plasma membrane of the collecting ducts.

The smallest branches of ____ end with a large flame cell. ​

Suppose sugar is removed from an excretory system tubule and returned to the blood. This would be an example of ____. ​

Osmoreceptors help the body deal with dehydration in part by stimulating release of ____. ​

An example of an endotherm is a ____.

The ____ in mammals allows water to exit but does not allow ions or urea to exit. ​

Many birds, such as seagulls which rarely drink fresh water, deal with the osmotic stress of taking in large quantities of salt in their food mainly by ____. ​

The kangaroo rat gets the bulk of its water from ____. ​

Nitrogenous waste is excreted from Malpighian tubules mainly in the form of ____. ​

The main form of nitrogenous wastes released by aquatic invertebrates to their environment is ____. ​

The osmoreceptors that detect and react to dehydration are located in the ____. ​

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

DNA Structure, Replication, and Organization

From DNA to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technologies: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Animal Nutrition

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

Many terrestrial ectotherms regulate their temperature by ____.

Malpighian tubules are found in ____.

Most marine animals have an osmolarity of about ____ mOsm/L.

Mammals may ____ as a response to cold in order to limit the amount of heat lost to the surroundings.

Molecules and ions reabsorbed from the nephron reenter the blood at the ____.

The smallest branches of ____ end with a large flame cell.

Suppose sugar is removed from an excretory system tubule and returned to the blood. This would be an example of ____.

Osmoreceptors help the body deal with dehydration in part by stimulating release of ____.

The ____ in mammals allows water to exit but does not allow ions or urea to exit.

Many birds, such as seagulls which rarely drink fresh water, deal with the osmotic stress of taking in large quantities of salt in their food mainly by ____.

The kangaroo rat gets the bulk of its water from ____.

Nitrogenous waste is excreted from Malpighian tubules mainly in the form of ____.

The main form of nitrogenous wastes released by aquatic invertebrates to their environment is ____.

The osmoreceptors that detect and react to dehydration are located in the ____.