In endotherms, an increase in mass-specific metabolic rate lowers production efficiency
Indicate whether the statement is true or false
TRUE
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Which of the following organelles plays an important role in phagocytosis (a type of endocytosis), contains a variety of digestive enzymes, and has transport pumps that maintain an acidic pH inside the organelle?
a) lysosomes b) Golgi complex c) peroxisomes d) mitochondria e) proteasomes
What are plasma membranes permeable to
What will be an ideal response?
Darkness increases secretion of __________ by the pineal gland in the brain.
Fill in the blank(s) with the appropriate word(s).
A landslide in the Oregon Cascades causes all the soil in a 30-meter by 300-meter section of a mountain to fall away, taking the trees and their roots and all other vegetation with it. Within three years, however, lichens and some small herbaceous plants
can be seen on the surface of the remaining rock. This is an example of: A) facilitation. B) secondary succession. C) primary succession. D) a climax community.