In ancient times, people classified plants and animals by use. Like for plants they are being classified as beneficial or harmful. While for animals, they are classified as domestic animals, wild animals, creeping animals, flying animals, and sea animals.
Answer:
Chloroplast
Explanation:
Both plant and animal cells have mitochondria, nuclei, and cell membranes. However, only plants have chloroplasts, as they need them to photosynthesize. Animals don't photosynthesize, so their cells don't contain chloroplasts. Hope this helps!
Answer:
An ecosystem exists within a biome. Biomes are home to many species of animals, which interact with one another to create an ecosystem.
Explanation:
An ecosystem is defined as "the interaction of plants and animals with nonliving things and each other." A biome is defined as "a large region of the world that has similar plants, animals and other organisms that are adapted to the terrain and weather of that region."