Advantage - having natural automatic antibodies and defences to defend the body from any unknown organisms invading or intruding.
disadvantage -<span>The bodies of mammals are always maintaining the temperature through processes which is why constant food consumption is necessary.</span>
Answer:
Where are options I will gladly help.
Explanation:
Answer: Nematodes move through their longitudinal muscles which causes pressure throughout their body and it flexes instead of flattened and with the thrust it moves forward, In Case of earthworms it uses t
There are 2 types of photoreceptors rods and cones they react to light in different ways.
Rods-
Respond to low levels of light and are primary responsible for night vision.
They are poor at detecting fine details in an image and are not involved in colour vision.
Cones-
Respond to high levels of light and are primary responsible for our vision in well-lit conditions.
They detect fine details and are responsible for colour vision.
Carbohydrate polymers formed as water is removed
