C. living things respond to stimuli in the environment
Answer:
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
Answer:
Tricuspid valve: Allows blood to pass from the right atrium to the right ventricle; prevents blood from flowing back into the right atrium as the heart pumps (systole).
Explanation:
A prediction is making a forecast of what will happen in the future based on past experience or evidence
None because they are children play toys not scientific tools!
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