Which protist is the most widely known form of marine plankton and is thought to have given rise to plants?

A. green algae

B. red algae

C. brown algae

D. diatoms

Can someone give me the number of deadly spiders in the united states

The concentration of sugar is higher inside a cell than outside the cell. The concentration of water inside the cell is lower than it is outside. Sugar cannot pass through the cell membrane.

Positively charged molecules are often more easily endocytosed by cells than negatively charged molecules. Which of these BEST explains this observation? A. The hydrocarbon tails of membrane lipids are hydrophilic. B.

A plant with round seeds is crossed with another plant with round seeds. Round are dominant over oval seeds. When two heterozygous round-seeded plants are crossed, what is expected of their offspring, assuming random chromosome segregation

All the bald eagles in an area is an example of? A. population B. fossil C. species D. individual

All living and nonliving parts of a environment

A birthing couple informs the nurse that they would like to have the placenta after the baby is born. what is the nurse's best response?

Descriptive relativism necessarily implies metaethical relativism. a. True b. False

Identify the products in this reaction: 6HO+6CO+CHO+6O

Define metabolism and explain why cells need to synthesize new organic components