Answer:
oxygen gas
Explanation:
because oxygen is needed for life on Earth
<span><span>A plant that, when self-fertilized, only produces offspring with the same traits.</span></span>
The answer is ATP molecules being produced, this happens in light and dark.
All of the other options are either directly related to light/photosynthesis or are needed to complete it.
Yes we never know what could happen in an eco system
Answer:
Hypothalamus
Explanation:
is linked to the pituitary gland (both in the brain) which releases stimulating and inhibiting hormones which go to glands which are part of the endocrine system such as the thymus