An example of a density-independent factor would be
a) blight (a mold disease) in a wheat field
b) record cold temperatures that kill subtropical plants in northern florida
c) suitable nest sites for a flock of kirtland's warblers
d) wolves that prey on elk in yellowstone national park
e) a specialist searching for the one species of plant that is its food

Aeukaryotic cell must be from a plant if the cell a) a nucleus b) a nuclear envelope c) cytoplasm d) a cell wall

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?