Which of the following are disadvantages of the aristotelian classification system? i. the system contained too many groups to be useful. ii. the system did not show relatedness of organisms. iii. organisms were grouped by habitat, not structrual similarity. iv. it was an expensive and highly technical process. a. ii and iii only b. i and iv only c. i and iii only d. i, ii, iii, and iv

Y’all i need answers plss people are saying me and my brother look alike although we’re two different ages. one year apart i’m a girl, btw i’m thinking we could be fraternal twins idk my parents and my friends think we look alike

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above