Which of the following is not a characteristic of animals?

A. there cells contain a nucleus

B. they are multicellular

C. they are heterotrophic

D. they are photosynthetic

ALL BUT ONE factor is believed to be the source of Earth's internal heat energy. That is

A hypotonic solution outside a cell wall has how much solute compared to the solution inside a cell? a) no solute b) less solute c) more solute d) the same amount of solute

What factors lead to ecosystem changes such as increase in pollution, global warming, and coral reef bleaching

What is the purpose of the kidney in the vertebrate? A) digestion B) respiration C) filters waste D) transport blood

What Three things should you check when deciding the reliability of science articles?

Where does the primary source of energy needed for life come from? 1) solar energy 2) geothermal energy 3) nuclear energy 4) kinetic energy

Which molecules is not part of the cell membrane? a. lipid b. nucleic acid c. phosphate group d. steriod e. protein?

During dna replication in a human cell, 6 billions bases must be paired properly. which characteristic of dna best allows for high level of accuracy during this process

Which of the following actual (i. e., real) products of biological activity is not likely to be a source of the increases in greenhouse gases observed in recent history? A.

A population with 65 A1A1 individuals, 55 A1A2 individuals, and 10 A2A2 individuals is in Hardy-Weinberg Equilibrium. Hint: For this problem assume if the expected value is within 3 of the observed it's in HWE.