TOPIC: Ecology AIM: How are materials cycled through the environment?
AP Biology Chapter 54 Ecosystem Dynamics. LE 54-2 Microorganisms and other detritivores Tertiary consumers Secondary consumers Detritus Primary consumers.
Week 11 nutrient cycles
Ecosystems
The ecosystem 2.5 2.6 2.7
The Nitrogen Cycle A2 OCR Biology Asking questions is a sign of INTELLIGENCE Unfortunately all questions must wait until the end of the lecture.
The Nitrogen Cycle. Why is nitrogen so important? PROTEINSNitrogen is required to make PROTEINS Amino Acid Structure.
3.4 The Soil System. The Soil System Soil is a complex mixture of eroded rock, mineral nutrients, decaying organic matter, water, air and billions of.
Amino Acid Metabolism 1: Nitrogen fixation and assimilation, amino acid degradation, the urea cycle Bioc 460 Spring 2008 - Lecture 38 (Miesfeld) Urea is.
Chapter 5 How Ecosystems Work. Life depends on the sun!!! Photosynthesis: the process of converting light energy into chemical energy. -Carbohydrates.
Lecture 12 - Getting and Using Nitrogen as a Building Block Last week- getting carbon and energy
THE NITROGEN CYCLE NITROGEN NITROGEN QUICK FACTS We use nitrogen to build proteins We use it to build each piece of DNA 7 N 14.01 It’s the #1 gas in.