<span>the Nervous System receive the sound</span>
Producers <span>have the ability to make their own food using an energy source, like the sun. An example of this would be a plant.
</span>Consumers<span> are broken into two groups: primary and secondary.
</span>Primary consumers<span> are the herbivores that eat the producers.
</span>Secondary consumers<span> are the carnivores that eat the primary consumers.
Deer are herbivores and wolves are carnivores; they are both consumers.
</span>So the main difference between producers and consumer are that producers make their own food and consumers can't. They eat producers and other consumers.
Answer:
Blood is stored within blood vessels in a closed circulatory system, which circulates unidirectionally (in one direction) from the heart around the systemic circulatory route until returning to the heart.
Explanation:
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.
