A leaf preserved in hard transparent material is found in:

O a mold

O a trace fossil

fossilized amber

O a cast

What are some good ideas for a science experiment/research? For 8th graders?

Over the past century, the percent of squirrels in the vicinity of Washington, DC, that are black instead of the more common gray has been continually increasing. Which of the following statements best explains why this is happening? OA.

How does soil quality affect the characteristics of ecosystems?

What is the creation of a waxy substance when there is hydrogenation of the fat in the body? a. Putrefaction b. Mummification c. Skeletalization d. Adipocere

What are the stages of cell cycle and what tells place in each phase?

In which element and a fragmented landscape would you expect to find the largest number of species

2) What is a gene?

What process causes delta formation

During the replication of DNA, where are bonds broken?

In this example the marker DNA includes fragments that have 23,130, 9,416, 6,557, 4,361, 2,322, 2,027, and 564 base pairs. Approximately how many base pairs are in the DNA fragment indicated by the letter A?