Why is it hard to say whether viruses are alive or not

A protein deficiency resulting in swelling of the body tissue primarily in the feet, legs, and belly is called A. marasmus B. kwashiorkor C. ketosis D. rickets

Which planet has the shortest revolution around the sun? Question 1 options: Venus Mars Earth Mercury

Which organism would likely be first to grow on a new volcanic island? A. coconut palm tree B. pine seedling C. blackberry bush D. grass

Fill in the blank below with the vocabulary word that best completes the sentence. is the science of naming and classifying organisms based on structural comparisons and genetic evidence.

The ability to change color to avoid predators is a what?

Eukaryotic cells have many different specialized structures that are involved in making, organizing, and delivering a protein molecule. Describe the four organelles that are involved and the sequence of events of this process.

What do scientists call an orderly pattern of change over time? A. homeostasis B. ecological succession C. food web D. an ecosystem

When erosion occurs here in Southeast Michigan, what layers are eroded away first?

Which structures regulate water loss and gas exchange in the leaves of plants

Name an organism in each domain: archaea, bacteria, eukarya