1.observation is made using one or more of the five senses. 2. An independent variable is a variable that's
changed in an experiment.
3. An explanation based on an observation is alan
4. There may be only one variable in an experiment.
5.observation is made using tools or measurement.
6. What's the difference between an observation and inference?

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Talking listening and reacting non verbally are all part of communicating

Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?