Kelli drew a diagram to compare cast and imprint fossils. Which label belongs in the area marked Y?
A. Involves minerals replacing remains of organism
B. Takes millions of years to form
C. Gives evidence of organism's activity
D. Involves mold filling with minerals and sediment

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma

Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down