An organism has 54 chromosomes in its somatic cells. How many chromosomes will be in the gamete cells? WILL GIVE BRAINLIST

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

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.

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.