Autotrophic.
Dark reaction happens in the photosynthetic process of plants or autotrophs.
(a) A giant redwood tree = Autotroph
(b) A spider = Heterotroph
(c) A rose bush = Autotroph
(d) A mushroom = Heterotroph
(e) A blue whale = Heterotroph
<span>Autrophs are the organisms that have the capacity to form their own food from inorganic substances like the carbon dioxide. </span>
<span>Heterotrophs are the organisms that cannot produce their own food but depends on other animals or plants for their nutritional needs.</span>
I believe the answer is 1500
