reproduction system in animals

What is thyroid gland

• releases thyroxin

• Increases metabolic rate

• Blood control controlled levels by negative feedback

• Initiates pituitary from releasing TSH

What is negative feedback

Form of regulation where accumulative of end product of a process, slows the process

What is the pituitary gland

• “master” of the endocrine gland releases, many hormones, some influence other endocrine glands

• Growth hormone GH

• Thyroid stimulation hormone

What does pancreas do

• releases insulin to lower blood sugar

• Releases glucagon(holds glucose) to raise blood sugar

How do unicellular organisms reproduce

By binary fusion

What is sexual reproduction

• Present or absent organs

• Different sexes or hermaphroditic

• 2ndary characteristics not directly involved but evolved due to separate sexes

Female parts

Ovary to oviduct to uterus(endometrium/cervix) to vagina

Male parts

Teste to semifenderfence tubules (diff types of sperm) to scrotum to epididymis to vas deferns to urethra to penis

What is the reproductive system of Poridera

• Asexual/sexual reproduction

• internal

• hermaphrodites

What is the reproductive system of Cnideria

• asexual/sexual reproduction

• External

• hermaphrodites

What are hermaphrodites

• An organism that possesses both female and male reproductive organs

• allowing them to function as either female or male or self fertilize

What is the reproductive system of Platyhelminthes

• Sexual

• External

• Hermaphrodite

What is the reproductive system of Mollusca

• Sexual

• External

• Separate

What is the reproductive system of Annelida

• Sexual

• Internal

• Hermaphrodite

What is the reproductive system of Nematoda

• Sexual

• Internal

• Separate

What is the reproductive system of Arthropoda

• Sexual

• internal

• Separate (most bugs)

What is the reproductive system of Echinodermata

• Asexual/sexual reproduction

• External

• Separate

What is the reproductive system of Chrodata

• Sexual

• Internal

• Separate