Fruits are mature ovaries of flowering plants, containing seeds. They develop from fertilized ovaries and serve as a means for seed dispersal. Fruits come in various types, shapes, and flavors.
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A food chain depicts the transfer of energy in an ecosystem. It starts with producers (plants), followed by herbivores (primary consumers) and carnivores (secondary and tertiary consumers), illustrating the feeding relationships.
Ozone is a molecule composed of three oxygen atoms. It forms a protective layer in Earth’s stratosphere, blocking harmful ultraviolet radiation. Ground-level ozone is a component of smog and can be harmful to health.
Herbivores are animals that primarily consume plants, while carnivores are meat-eating animals that primarily feed on other animals. Their dietary preferences are adapted to the types of food they consume.
Veins are blood vessels that carry deoxygenated blood back to the heart. They have thinner walls than arteries and often contain valves to prevent blood from flowing backward.