34. Which of the following is a heterotrophic

organism?

a. Pine tree

b. Sunflower

c. Mosquito

d. Seaweed

Did the table sugar solution test positive or negative for reducing sugars? explain why you received these results.

Why does liquid water have such a high heat capacity? Choose 1 answer: (Choice A) Water molecules are packed very closely together. (Choice B) Water molecules are good at forming and breaking hydrogen bonds. (Choice C) Water is a nonpolar molecule.

Organisms remove metabolic cellular wastes by the process of ... 1. excretion, 2. absorption, 3. coordination, 4. digestion. which one is it?

What is the only rock that can float in water?

Name the appendages found on the head of a crayfish and tell the function of each crayfish

Why are nerve receptors in the skin not evenly distributed

In which of the following ways is DNA replication different from DNA transcription? A) New cells can only be created after transcription has taken place. B) Replication results in mRNA strands while transcription creates new DNA.

What is the rainshadow effect?

A nectar-eating bird has a slightly more curved beak than average for its species. This allows the bird to more easily access nectar from plants. During the bird's lifetime, it loses a toe on its left foot due to an accident.

Which of these is NOT an environmental concern related to the proposed sulfide mining operation? A) acid mine drainage B) heavy metal contamination C) water and soil contamination D) increasing pH in nearby water sources