What is the stage called when the cell mass forms a hollow cavity

How are one celled eukaryotes different from cells in many celled eukaryotes

What are the two main sources of energy in the water cycle? Question 1 options: gravitational energy and thermal energy gravitational energy and mechanical energy hydro energy and gravitational energy kinetic energy and thermal energy

In an experiment; what is the variable changed by the experiment called

the plant can either have a dominant allele or a recessive allele what would be a reason that is not a hardy weinberg equilibrium

Primary succession results in a new community

In squash plants, the allele for yellow fruit (Y) is dominant to the allele for green fruit (y). A plant with genotype YY is crossed with a plant with genotype Yy.

Identify two different sex linked traits in humans.

Most of semen volume is composed of sperm. True or False

Otrophic bacteria, where are the enzymes located that can carry on carbon fixation (reduction of carbon dioxide to carbohydrate) ?

The Roman aqueducts were an important advance in public: hygiene housing medical treatment education of disease