1. standard metric unit of length
liter
2. a proposed explanation for a scientific problem
meter
3. standard unit of volume
mass
4. the curved top surface of a liquid column
meniscus
5. a quantity in an experiment that remains unchanged or constant
hypothesis
6. amount of matter in an object
control

In the desert, saguaro cacti, owls, horned lizards, and fire ants all share the same space. which of the following can be considered a population? question 9 options: all plants in the same area all cacti in the same area all species in the same area the lizards and the ants

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now

Which of the following is the function of the nociceptors? a. detecting odors in the nose b. detecting painful stimuli c. detecting central body temperature d. detecting touch and pressure