Scientists were investigating a pond of water found deep in a South American cave
along the Yucatan Penisula. The obtained many samples which they took back to their
lab. After much testing, they found that the water has an acidic pH of 3. Another much
more surprising discovery was that a new species of unicellular organism was present
in the samples. The organism was observed with a microscope and found to not have a
bound nucleus or organelles. To which Domain would this organism be classified?
a) Archaea
b)Bacteria
c)Eukarya
d)Protista

Exit what always affects measurement error in an experiment? a. investigator bias b. variability in nature c. instrument precision d. misreading the instrument

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.