Answer: decide if the trait is helpful for the organism
observe the traits of the organism's children
Explanation:
I think those are the 2
Seaweed is a type of algae.
Explanation: Seaweeds are a group of photoautotrophic, multi-cellular algae occurring in marine environments.
Answer:
1-Mouth:the mechanical digestion takes place in mouth with the help of teeth. chewing is the machanical digestion of food in mouth.
2-Stomach: by the churning process. churning is the mixing of food in stomach by the movements of smooth muscles in stomach wall.
Explanation:
Answer:
The augmented reality (AR) technology
(A lunar-phase observation system)
Explanation: