The joints of the human skeletal system

a. keep us upright.

b. hold bones in place.

c. allow for flexible movement.

d. have fluids that fight disease.

Who is a year on Saturn longer than a year on earth

Resumen de que es un sistema

Which type of rock is formed when melted rocks become trapped below the surface of Earth in pockets? A. sedimentary rock B. extrusive igneous rock C. metamorphic rock D. intrusive igneous rock

What factors influence the growth of organisms and their ability to reproduce?

Is the ability of a species or organism to survive and reproduce.

Which of the following is a social consequence of global fuel dependence? a. rising costs of oil b. increase in atmospheric pollution levels c. poverty causing lack of access to fossil fuel resources d. an increase in the production of fossil fuels

The following flow of energy takes place in one ecosystem: alga → insect → larva flatworm → fish. Which trophic level has the most energy to pass on to the next? flatworm alga fish insect larva

Consider an experiment in which an Hfr strain of E. coli bacteria with the StrS, his+, met + alleles in its genome is mixed with an F - strain of E. coli with the StrR, his-, and met - alleles in its genome.

All fingerprints are invisble to the naked eye

These are organism that come from the same cell and are genetically identical to one another