Answer:
Plants and animals share many characteristics, but they are different in some respects. Animals usually move around and find their own food, while plants are usually immobile and create their food via photosynthesis. ... Animal cells absorb nutrients from food, while plant cells use plastids to create energy from sunlight.
Explanation:
Answer:
A heterotroph is defined as "an organism deriving its nutritional requirements from complex organic substances." So, humans and most animals are heterotrophs. By consuming organic matter and breaking down that matter for energy. Heterotrophs can NOT produce their own energy, and completely rely on consumption of food.
Explanation:
Functionalism. It is according to the concept 'survival of the fittest'
Natural selection. The trait that is unfavorable to the baby giraffe's survival will cause the death of giraffes with that specific gene that is responsible for a short neck vs a long neck. Natural selection causes traits that help the survival of the species will be carried throughout generations while unfavorable traits will be lost.
