Ascientist studied four pieces of fossil evidence that show the evolution of the modern-day man. these date back to 2 million years, 1 million years, 0.5 million years, and 0.25 million years ago. which fossil is the least similar to the modern-day man? 0.25 million years 0.5 million years 1 million years 2 million years

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u. s. fish and wildlife service