Membranes control whats good or whats bad to get inside the cell, basically it allows good things to pass into the cell and bad things to stay out
The presence of vertebral column or notochord at any stage of life in any organism is the characteristic of vertebrate.
Explanation:
An animal is vertebrate if it fulfils the following criteria:
Presence of vertebral column or notochord.
Presence of endoskeleton or backbone.
The spinal cord runs above the vertebral column.
Humans embryo has notochord which becomes a vertebral column.
The alimentary canals end in the anus.
Mouth is present ta the anterior side of the vertebrate.
Have legs, fins or wings for movement.
Presence of a nervous system and sensory organs.
Presence of skin, lungs or gills.
Presence of a circulatory system.
Vertebrates include fish, amphibians, reptiles, birds and mammals.
Answer: which of the following is an example of an electromagnetic wave? (2 points)
Explanation:
A:red light
B:ocean waves
C: sound waves
D:earthquakes
Both. You can use it as singular or plural.
Bacteriaciltous is what I'd try to learn I love the complexity