Jacob is studying a population of wrens in Michigan. Over several years, he notices that the population always stabilizes at around 45 individuals. What is the reason for this?

Nitrogen-based fertilizers break down into nitrates. When the nitrates enter the substrate, they are converted into nitrogen gas through which process? A.) Ammonification B.) Denitrification C.) Nitrification D.) Nitrogen fixation

Why is glass not a mineral? choose one: a. it is organic. b. it does not have a fixed crystalline structure. c. it can be made synthetically as well as being a naturally occurring substance. d. it is not produced by geologic processes?

I'm a machine, work output is less than work input because some energy is converted into thermal energy. True or false

If a person suffers from a traumatic brain injury in the prefrontal cortex, similar to that of Phineas Gage, what changes might occur?

Three cells each contain a 98% water wash were soaked in different solutions cell number one is so funny solution containing 100% water so two is sold in a solution containing 98% water so three is soap in a solution containing 80% water explain

If an amino acid has a side chain (r group) that is charged (i. e. bears a full + or - charge), which amino acid group would it belong in?

If an object with a mass of 100 kg on earth is taken to a planet that has more gravity, how will this affect the object's mass and weight?

Lamarck's mechanism of change can be called

What is carrying capacity and what does it mean for ecosystems?

Why was the evolution of a coelom a critically important innovation for animals? a) The coelom can act as a hydrostatic skeleton. b) The coelom gives rise to a complex nervous system. c) The coelom made it possible for animals to colonize land.