Ch 2 Animal Reproduction, Development Classification Test

Soon after fertilization, the zygote undergoes a series of rapid cell divisions. This is called

• Organogenesis
• Cleavage

The solid ball of cells that results from the dividing zygote is called

• Morula
• Gastrula

During cleavage, each cell in the embryo is called a

• Gastrula
• Blastomere

The blastopore will become the mouth in

• Protostomes
• Deuterostomes

Which of the following animals is NOT radially symmetrical?

• 
• 
• 

The embryonic layer that forms the skin and nervous tissue is the:

• Endoderm
• Mesoderm
• Ectoderm

The animal’s digestive tract forms from the:

• Endoderm
• Mesoderm
• Ectoderm

Social insects, such as wasps, bees, and ants, often use this type of reproduction:

• Sexual
• Budding
• Parthenogenesis

Simultaneous hermaphrodites are animals that:

• Begin life as a female, but then become male
• Begin life as a male, but then become female
• Both donate and receive sperm during mating

The male gonad which produces sperm is the

• Penis
• Testes
• Cowper's gland