Question 1

Which group of adult tissues is derived from the mesoderm?

Accepted Answer

A) skin, brain, retina 
B) muscles, bones, cartilage 
C) skin, liver, pancreas 
D) lining of digestive tract, liver, pancreas 
A) skin, brain, retina 
B) muscles, bones, cartilage 
C) skin, liver, pancreas 
D) lining of digestive tract, liver, pancreas

Question 2

Identify each labelled part of the illustration.  
-cleavage

Accepted Answer

The answer of Identify each labelled part of the illustration....

Question 3

Which of the following describes "pregnancy" in male sea horses?

Accepted Answer

A) It represents a decrease in parental investment, but does not allow males to be confident about the paternity of their young. 
B) It represents an increase in parental investment, but does not allow males to be confident about the paternity of their young. 
C) It represents a decrease in parental investment, and allows males to be confident about the paternity of their young. 
D) It represents an increase in parental investment, and allows males to be confident about the paternity of their young. 
A) It represents a decrease in parental investment, but does not allow males to be confident about the paternity of their young. 
B) It represents an increase in parental investment, but does not allow males to be confident about the paternity of their young. 
C) It represents a decrease in parental investment, and allows males to be confident about the paternity of their young. 
D) It represents an increase in parental investment, and allows males to be confident about the paternity of their young.

Question 4

What directs the stages of animal development before the genes of a zygote become active?

Accepted Answer

A) the cytoplasmic determinants of the egg 
B) the environment 
C) the nucleus 
D) the cytoplasmic determinants of the sperm 
A) the cytoplasmic determinants of the egg 
B) the environment 
C) the nucleus 
D) the cytoplasmic determinants of the sperm

Question 5

Where do muscles originate from?

Accepted Answer

A) the mesoderm 
B) the ectoderm and the mesoderm 
C) the ectoderm and the endoderm 
D) the endoderm 
A) the mesoderm 
B) the ectoderm and the mesoderm 
C) the ectoderm and the endoderm 
D) the endoderm

Question 6

The nervous system structures are derived from ectoderm.

Accepted Answer

A) True 
 B)False

Question 7

Identify each labelled part of the illustration.  
-chorion

Accepted Answer

The answer of Identify each labelled part of the illustration....

Question 8

Which animal is an extreme example in terms of offspring size?

Accepted Answer

A) a human 
B) a mole 
C) an elephant 
D) a bat 
A) a human 
B) a mole 
C) an elephant 
D) a bat

Question 9

What is apoptosis responsible for?

Accepted Answer

A) the ability of newly born kittens to open their eyelids 
B) the ability of newly born kittens to walk 
C) the generation of body axes 
D) the generation of body symmetry 
A) the ability of newly born kittens to open their eyelids 
B) the ability of newly born kittens to walk 
C) the generation of body axes 
D) the generation of body symmetry

Question 10

How does the location of the yolk in an egg influence its development?

Accepted Answer

Development of the egg in the embryo tak

Question 11

In which animal's development does the rotation of the grey crescent play a major role?

Accepted Answer

A) the bird's development 
B) the sea urchin's development 
C) the grasshopper's development 
D) the frog's development 
A) the bird's development 
B) the sea urchin's development 
C) the grasshopper's development 
D) the frog's development

Question 12

Which of the following occurs after mitotic cell division?

Accepted Answer

A) Cell division occurs and the mass does not increase. 
B) No cell division occurs and the mass does increase. 
C) No cell division occurs and the mass does not increase. 
D) Cell division occurs and the mass does increase. 
A) Cell division occurs and the mass does not increase. 
B) No cell division occurs and the mass does increase. 
C) No cell division occurs and the mass does not increase. 
D) Cell division occurs and the mass does increase.

Question 13

What do somites in mammals become?

Accepted Answer

A) digestive system components 
B) skeletal muscle cells 
C) extra-embryonic membranes 
D) neurons 
A) digestive system components 
B) skeletal muscle cells 
C) extra-embryonic membranes 
D) neurons

Question 14

Which hormones are responsible for the production of milk in the postpartum female?

Accepted Answer

A) Oxytocin stimulates the production of milk, and prolactin stimulates the secretion of milk. 
B) Prolactin stimulates the production of milk, and oxytocin stimulates the secretion of milk. 
C) Estrogen and progesterone are directly responsible for the production and secretion of milk. 
D) Prolactin and estrogen stimulate the production and secretion of milk. 
A) Oxytocin stimulates the production of milk, and prolactin stimulates the secretion of milk. 
B) Prolactin stimulates the production of milk, and oxytocin stimulates the secretion of milk. 
C) Estrogen and progesterone are directly responsible for the production and secretion of milk. 
D) Prolactin and estrogen stimulate the production and secretion of milk.

Question 15

The symmetrical pattern of yolk distribution in a sea urchin represents the beginnings of radial symmetry.

Accepted Answer

A) True 
 B)False

Question 16

Fate mapping is currently used to determine the embryonic origin of tissues in an adult. What possible applications do you see for this procedure in the future?

Accepted Answer

At the present time, completed fate mapp

Question 17

An egg's polarity determines the orientation of body axes.

Accepted Answer

A) True 
 B)False

Question 18

Put the following mechanisms of development in the order they occur.
-second mechanism

Accepted Answer

A) cell movements 
B) determination 
C) differentiation 
D) induction 
E) mitotic cell divisions
F)selective cell adhesions 
A) cell movements 
B) determination 
C) differentiation 
D) induction 
E) mitotic cell divisions
F)selective cell adhesions

Question 19

Match each term with its definition.
-crystalline

Accepted Answer

A) undifferentiated muscle cells 
B) pigmented layer of cytoplasm opposite from point of entry of sperm 
C) rounded layer of cells at the surface of yolk in birds 
D) solid rod of tissue that is involved in neurulation 
E) fingerlike extensions into the endometrium
F)clear fibrous protein
G)programmed cell death
H)event when a group of cells influences a nearby group of cells 
A) undifferentiated muscle cells 
B) pigmented layer of cytoplasm opposite from point of entry of sperm 
C) rounded layer of cells at the surface of yolk in birds 
D) solid rod of tissue that is involved in neurulation 
E) fingerlike extensions into the endometrium
F)clear fibrous protein
G)programmed cell death
H)event when a group of cells influences a nearby group of cells

Question 20

Which eye structure is matched appropriately with its developmental material?

Accepted Answer

A) cornea: ectoderm 
B) lens: optic cup 
C) retina: crystallin 
D) retina: ectoderm 
A) cornea: ectoderm 
B) lens: optic cup 
C) retina: crystallin 
D) retina: ectoderm

Exam 42: Animal Development

Which group of adult tissues is derived from the mesoderm?

Identify each labelled part of the illustration. -cleavage

Which of the following describes "pregnancy" in male sea horses?

What directs the stages of animal development before the genes of a zygote become active?

Where do muscles originate from?

The nervous system structures are derived from ectoderm.

Identify each labelled part of the illustration. -chorion

Which animal is an extreme example in terms of offspring size?

What is apoptosis responsible for?

How does the location of the yolk in an egg influence its development?

In which animal's development does the rotation of the grey crescent play a major role?

Which of the following occurs after mitotic cell division?

What do somites in mammals become?

Which hormones are responsible for the production of milk in the postpartum female?

The symmetrical pattern of yolk distribution in a sea urchin represents the beginnings of radial symmetry.

Fate mapping is currently used to determine the embryonic origin of tissues in an adult. What possible applications do you see for this procedure in the future?

An egg's polarity determines the orientation of body axes.

Put the following mechanisms of development in the order they occur. -second mechanism

Match each term with its definition. -crystalline

Which eye structure is matched appropriately with its developmental material?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

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