The nucleus contains which are the hereditary material of the cell. A Vacuoles
B Chromosomes
C Mitochondria
D Chloroplast

help!

When species lose their habitats they may..

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

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.