Meiosis I begins with a

A. bacterial cell.

B. prokaryotic cell.

C. haploid cell.

D. diploid cell.

Which of the following protists have shells? A) amoebas B) radiolarians C) foraminiferans D) all the above

Echinoderms, like sea stars, have a ring-likenerve netladder-like nervous system

About how much of ocean water is dissolved salts? A. 0.04% B. 0.4% C. 4% D. 40%

What reproductive process do bacteria use by forming two identical cells from one parent cell? binary fission fragmentation vegetative propagation fertilization

Which of these is heated by radiation? A. An ice cube melts while you hold it in your hand. B. Hot soup rises to the top of the bowl, while cooler soup sinks to the bottom. C. Coastal temperatures are cooler than temperatures in inland areas. D.

Classify each description as a property of dna only, rna only, or both dna and rna. note: if any part of this question is answered incorrectly, a single red x will appear indicating that one or more phrases have been placed incorrectly.

Organisms reproduce following several patterns. Some organisms produce few offspring and provide parental care. Other organisms produce many offspring but provide little or no parental care.

A two ton elephant stands on a stump what will happen to the stump

Which group of organic compounds is responsible for the transfer and storing of information

Which one of the following would be correctly classified as a protein? Answer cellulose enzymes starch cholesterol