What led to the conclusion that single-celled prokaryotic organisms evolved in the absence of oxygen

1. In what way are plants in a sunny mountain meadow and sulfur bacteria in a deep sea vent alike? A. they both use photosynthesis to make their own food B. they are both heterotrophs C. they both use chemosynthesis to produce their own food D.

Sweating shaking diarrhea and cramps are symptoms of withdrawal from

How much energy do consumers obtain when they eat

Which of these processes can be associated with producing genetic abnormalities? A) Deletion only B) Deletion and Replication only C) Deletion, Nondisjunction, Replication, and Transformation D) None of the above

A lion in the savanna is tired and needs energy. In order to obtain energy, what must the lion do? A: produce food B:make new cells C:get sunlight D: consume food

Three types of bones

What is the relationship between the Kuiper Belt and the status of Pluto today? A. The Kuiper Belt is at a much greater distance from the sun than is Mars. B. The Kuiper Belt is home to a dwarf planet similar to Pluto. C.

Which is an example of mimicry? a. Fire Salamander squirting toxin at a predator b. the Viceroy Butterfly looks like the Monarch Butterfly c. A chameleon that changes color to blend in with a plant d. bear that hibernates during the winter

The parts of the cell that are common to all eukaryote cells are: -A cell membrane and cytoplasm -A nucleus and a cell membrane -Cytoplasm -A nucleus, cell membrane and cytoplasm

When an animal loses a lot of blood, what do baroreceptors tend to signal to the animal?