A geologist finds a layer of rock that is made of coarse-grained foliated particles arranged into bands and splits into sheets when struck with a hammer.

What type of rock did the geologist find?

A.

marble

B.

gneiss

C.

quartzite

D.

slate

What is desertification? How are nomads and droughts related to this process?

Which is NOT a potential threat or danger to an ecosystem rich in biodiversity? A) Deforestation B) Plate Tectonic Activity C) Global Warming/Climate Change Eliminate D) Genetic diversity among species

What best describes the concept of the rock cycle

An effort to improve the genetic makeup of a population is known as

A lab technician is running a test on a patient's sample that is likely infected with salmonella. The technician correctly performs PCR on the sample using primers known to identify salmonella. Then they run the PCR product on an electrophoresis gel.

How many more bacteria cells are in or on humans?

Genetic drift and natural selection can both be mechanisms of evolution. However, they are very different mechanisms. Explain how genetic drift is different from natural selectio

What is the type of tissue that consist of living cells surrounding by an extracellular matrix?

Name 4 unifying theme of biology

Superior and middle nasal conchae formed from its projections in