Infants learn to control their elbows and knees before their hands and feet which illustrates the

If stranded on a deserted island with no freshwater, it is not advisable to drink sea water. Why not? A) The salty snacks cause an ionic imbalance that triggers a nervous response.

Some bacteria, like those that cause Cholera, have a flagellum that allows them to

Are there more female or male in the world?

What molecule allows a blade of grass to stand up straight

Transposons (or transposable elements) are present only in prokaryotes. edit genes. can disrupt genes. are always in the same place in different strains of the same species. can only affect an organism's genotype, not its phenotype.

A researcher is studying coat color in mice. Wild-type fur in mice is brown. Three pure-breeding strains of mice with white fur have been isolated. The strains are called milky, blanc, and weiss. White fur is a recessive trait in each strain.

Order the taxa from largest (first) to smallest (eighth). 1. first kingdom 2. second species 3. third genus 4. fourth family 5. fifth class 6. sixth domain 7. seventh phylum/division 8. eighth order

Describe jean Baptiste Lamarck's idea of evolution

Explain why food needs to be digested before cells can use it for energy.

Which is an example of and internal stimulus 99 pts giveaway