True in passive transport molecules move along concentration gradient from high to low concentration
Answer:
Schleiden, Schwann, and Virchow are the 3 major contributors to the cell theory.
A. Prokaryotic cells DO NOT have a nucleus or membrane bound organelles. Eukaryotic cells do.
Explanation: A simple way to remember the is by PROkaryotic has NO nucleus. (Pro-no)
EUkaryotic has a nucleus.
(Eu- sound like you, you have cells and they have a nucleus.)
Answer:
B, A fossil found in rocks from one time period
Explanation:
Fossils are used to determine the ages of rock layers. Index fossils are the most useful for this. Index fossils are of organisms that lived over a wide area. They lived for a fairly short period of time. An index fossil allows a scientist to determine the age of the rock it is in. Hope that this helps you :)
Answer:
1. Bureau of Land Management
2. US Fish and Wildlife Service
3.US Forest Service
4. Bureau of Land Management
5.National Park Service
Explanation: