Select all the things that determine the pattern of a stream, river, or lake. valleys
number of people living in the area
plants
types of rocks
mountains
animals
landforms
gradient of the land

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

2. in dragons, a gene on chromosome 1 codes for wing color and a gene on chromosome 2 codes for body color. draw out the stages of meiosis for these two chromosomes from a dragon that is heterozygous for both traits. define your alleles. what are all the possible allele combinations of the gametes produced?

Which statement best addresses the differences in sex cell differentiation between the red-eared slider turtle and a human?