Answer:
3 - Photoreceptors.
Explanation:
Photoreceptors are a sensor that is connected to your retina. They sense light and send the message to your brain. The sensors automatically squint your eyes if something will blind you.
The correct answer is 'photoreceptors'.
Answer:
observation is what you have gathered, after you look over it you my hypothesis of what you gathered. hypothesis is an explaination of the observation.
Answer:
Mate two dogs that have the desired trait
Explanation:
In order to breed dogs for a particular trait one ought to mate two dogs that have the desired trait. This process is referred to as artificial selection or selective breeding.
Selective breeding refers to a process by which new organisms with desirable characteristics or traits are developed. Breeders select two parents having the desired phenotypic trait to reproduce thus yielding offspring with the desired trait.
Respiration is the chemical process by which organic compounds release energy. The compounds change into different ones by exergonic reactions.
There are two types of respiration:
aerobic, which requires oxygen and releases lots of energyanaerobic, which does not require oxygen but releases much less energy per mole of starting material
