What did chloroplast evolve form according to the endosymbiotic hypothesis?

A - Ribosomes

B - Mitochondria

C - Aerobic bacteria

D - Photosynthetic bacteria

Of the following which is most likely to result after a farmer sprays his crops with pesticides

In what way is living on earth similar to living on an island?

What famous scientist was born today, november 7th?

Why is selectively permeable better than totally permeable or totally impermeable?

Water (H2O), carbon dioxide (CO2), and oxygen (O2) are all quite small molecules, yet they move across cell membranes differently.

What effect does sympathetic nervous stimulation have on digestion? A. Diarrhea B. Inhibits digestion C. Enhances digestion D. Vomiting

What was a primary reason for the revived popularity of the Ku Klux Klan?

A behavioral adaptation is ... Give at least 2 examples

Heme iron is found only in foods derived from the flesh of animals, such as meats, poultry, and fish. a. True b. False

As wind travels across the water's surface, it pushes against the water, and energy in the wind is absorbed by the water. What does the interaction between the wind's energy and the water form?