Valve created by soft palate keeps food out of nasal airway during swallowing
Answer: Aristotle's and Linnaeus's classification systems both divided all life into two groups: plant and animal.
Answer:
Explanation: Sponges are animals with dense skeletons that are highly adapted to their environments.
Answer:
The Sun
Explanation:
Nearly everything eats sunshine – or eats something else that ate sunshine. The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers, such as plants and algae, use energy from sunlight to make food energy by combining carbon dioxide and water to form organic matter.
And model does it show something exactly as it is in the world
