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Male gametes / microspores are produced in pollen cones and develop into pollen grains. Some gymnosperm species have male and female cones on the same tree, while others have separate male or female cone producing trees. ... Fertilization in gymnosperms occurs when pollen grains contact the female ovule and germinate. I hope dis helps :3
A situation in which a hormone exaggerates the effects of another hormone at the target cell is called: synergism.
<h3>What is synergism?</h3>
Synergism can be defined as a biological process that typically occurs when two or more hormones produces the same effects of another hormone at the target cell and their combined effects are exaggerated.
Consequently, each of these hormone would act independently of another hormone while having the same effect on the target cell during the synergism of hormones.
Read more on hormones here: brainly.com/question/9474822
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Question is incomplete i have added full question with explanation and reaction see attachment.
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the reaction was exothermic because the heat dissipated quickly after a mere few minutes.
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