0
Rate this Study Guide:
☆☆☆☆☆viruses are not alive. APEX
Some times both ovaries produce individual egg. Then both ovum gets fertilized and Fraternal twins happens
One egg from each ovary is fertilized
Anaphase
When there are limited resources.
when there is competition for resources. apex :)
There must be genetic variation in the population
The system must not be in hardy-weinberg equilibrium.
resources must be limited in the ecosystem
Small intestine
Esophagus - APEX
The parts of the alimentary canal are:
The Mouth
The Pharynx
The Stomach
The small intestine
The large intestine
It helps the plant reproduce in dry environments.
The endocrine system sends messages using hormones. It delivers messages from the nervous system to the excretory system. It tells the excretory system when the blood is out of balance.
One gland causes calcium ions to be released; another gland causes them to be absorbed
The answer to the question is the pyloric sphincter. The pyloric sphincter is the part of the digestive system that precedes the small intestine.Ê
eyes develop
lips start to form
Vocal cords develop.
It allows scientists to quickly make many copies of DNA
