The correct answer is D. Most flower petals are bright colors in order to attract organisms like bees or hummingbirds for pollination
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Answer:
B. Charged Particles and Ions
Answer: An Organ System
Explanation: Vascular plants have two distinct organ systems: a shoot system, and a root system. The shoot system generally grows above ground, where it absorbs the light needed for photosynthesis. The root system, which supports the plants and absorbs water and minerals, is usually underground.
Answer:
The cells in the retina (called rods and cones) that convert light energy into nerve energy are called photo-receptor cells.
Explanation:
No, because the immune system is already battling with the virus or disease
