Animal Reproduciton and Development

The embryo layer that forms the skin and nervous tissue is the _____.

• endoderm

• mesoderm

• ectoderm

• deuterostome

The animal's digestive tract forms from the _______.

• endoderm

• mesoderm

• ecotoderm

• protostome

If the opening in the gastrula turns into the organisms mouth then it must be a

• deuterostome

• protostome

• human

• dog

Animal with a mouth that does NOT develop from the opening in the gastrula.

• deuterostome

• protostome

• insect

• snail

Single layer of cells surrounding a fluid-filled space that forms during early development

• morula

• gastrula

• blastocyst

• blastula

The type of asexual reproduction that many types of prokayrotic cells (ex: bacteria) use.

• Binary fission
• Budding
• Fragmentation/Regeneration
• Parthenogenesis

What type of asexual reproduction has offspring grow off of the parent and then detach?

• Binary fission
• Budding
• Fragmentation
• Parthenogenesis

Starfish use what type of asexual reproduction?

• Binary fission
• Budding
• Fragmentation
• Parthenogenesis

Two similar species of plants live in the same area. One flowers in June, the other in August. What kind of reproductive isolation is this?

• Spatial

• Temporal

• Behavioral

• Gametic

What is speciation?

• The change from one species into two or more distinct species. 
• The movement of a group of organisms into a new area. 
• The ability to mate and reproduce.
• The death of an entire species.