Unlike animal cells, plant cells have cell walls that make them rigid. which organelle, other than the cell wall, also plays a vital role in providing rigidity to plant cells? a) nucleus b) chloroplast c) central vacuole d) endoplasmic reticulum

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

Which type of bacterial reproduction is depicted in the diagram?

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?