The diagram below shows a portion of the geologic time scale. Based on the time scale, it can be concluded that

A. animals appeared on Earth before flowering plants.
B. land animals created the first oxygen molecules.
C. flowering plants appeare on Earth before animals.
D. flowering plants created the first oxygen molecules.

Which of these transport mechanisms moves glucose from the blood into a cell? active transport diffusion facilitated diffusion osmosis

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.