Cells are the fundamental unit of all living things. Specialised plant cells have ... Like animal cells, basic plant cells have a nucleus, a cell membrane and cytoplasm. They've also got a vacuole ...

Cells get nutrients from their environment, but where do those nutrients come from? Virtually all organic material ... food chains (Figure 1). Most living things depend on photosynthetic cells ...

photosynthetic cells started generating oxygen — an event that had dramatic consequences for the evolution of all living things on Earth (Figure 1). Today, chloroplasts retain small, circular ...