2)

Before organisms with nuclei evolved, life on earth consisted only of unicellular

A) eukaryotes.

B) fungi.

C) prokaryotes.

D) protists.

Sketch a filling model of a water molecule

Write a 225 word report on why each of the factors (R, K, L, S, C, and P) are important factors needed to determine the amount of erosion that occurs on a piece of agricultural land.

What is crude density in ecology?

Lymphatic tissue contains a large number of lymphocytes distributed in a specialized form of ___.

Paleontologists have found plant fossils deep within the layers of the north polar region. These leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the Earth's surface and higher

In areas of permafrost, stands of black spruce are frequently observed in the landscape, while other tree species are noticeably absent.

In prenatal development, the head and its features grow in size and differentiation before the neck, shoulders, trunk, and limbs. What is this pattern of development called?

In cellular respirAtion series of anaerobic chemical reactions in the cytoplasm that break Down glucose into pyruvic acid forms a net profit of two ATP molecules

This type of diabetes eventually result in all of the insulin producing cells in the pancreas being destroyed? a. type 1 b. type 2 c. type 3 d. type 4

The ___ climate make up the largest climatic zone in earth