Hypothesis: If i increase the amount of string then the salt will dissolve faster
Independent variable: the amount you stir the liquid
Dependent variable: the time it takes to dissolve the salt
Materials: you need a beaker, salt, water, and a stir rod.
Answer:
because they both have jaws, lungs, and claws or nails and they include some of the same common ancestors.
Explanation:
Answer:c).Random mate choice
d. )A large population e.) No new mutations
Explanation:The Hardy-Weinberg Principle predicts that in the large randomly mated population in the absence of migration,selection and mutation the gene frequencies remains the same. Hence, for the allele and genotype frequencies to remain constant there must be; a)random mated population b)large population c) No new mutation.
Answer:
D.
Explanation:
A eukaryotic cell may be single-celled or or found in multicellular organisms whose cells contain at least one distinct nucleus. It has defined organelles. And may no contain the chloroplast.
The chloroplast is a specialised organelle found in the cells of green plants or animalcules, and in photosynthetic algae, where photosynthesis takes place.
Answer:
top two are recessive if not shaded
Explanation:
bottom one is dominant male