23. Fossils are rare because:

a. Only certain parts of organisms can fossilize

b. Very few organisms have died

c. They are only found in North America

d. Fossils are very common, silly

What kind of cell or cells were used to make Dolly? a. body cell only c. egg cell and sperm cell b. egg cell only d. body cell and egg cell

What produces a magnetic field? electrical resistance increase in Ohms transfer of protons movement of electrons

What's the name of the structural carbohydrate that is found in plant cell wall?

Which type of speciation has the potential to occur the most rapidly? a. Peripatric speciation b. Parapatric speciation c. Polyploid speciation d. Allopatric speciation

Assessment 7. During which of the following processes will the chemical composition of a subs chemical composition of a substance change? O A. evaporation OB. sublimation O c. condensation OD. decomposition this proce

What activities and body functions of arthropods require the most specialized appendages?

If a diploid cell with 8 chromosomes goes through in meiosis how many chromosomes will the resulting haploid cells have

If trypsin and chymotrypsin become activated within the pancreas and then are released in their active forms into the bloodstream, why would this represent a potentially life-threatening situation?

Which of the following statements correctly relates mutations and survival rates of animals? Mutations always improve the chances of survival for an animal. Mutations sometimes improve the chances of survival for an animal.

Which type of membrane proteins is correctly paired with its function