A structure that is reduced in size and useless.
What is Vestigial?
This exists within the genes of every population or species and is the result of random mutations and translation errors
What is inherited variation?
The life function that is the basis of ecology.
What is interacting with other the environment?
What is competition?
In a biomass pyramid, these organisms are found at the bottom.
What are plants?
This is the name of the ship Darwin took a voyage on to investigate his theory.
What is the HMS Beagle?
Paleontologist study this evidence of evolution.
What are fossils?
This is the term for the variety of organisms, their genetic differences, and the communities and ecosystems in which they occur.
A form of symbiosis, in which one organism benefits and the other is neither harmed or helped.
What is commensalism?
These attach muscle to bone.
What are tendons?
Anatomical structures that share a common ancestry.
What are homologous structures?
These (2) biochemical molecules help to identify similarity between species.
What are DNA and proteins?
An example of a primary producer.
Plant/fungi/photosynthetic bacteria
Back and forth evolutionary adjustments between interacting members of a community.
What is co-evolution?
The source of blood cells.
What is bone marrow?
An inherited trait that has become common in a population because it provides a selective advantage.
What is adaptation?
The islands where Darwin studied natural selection.
What is the Galpagos?
A complicated, interconnected group of food chains
What is a food web?
The term for the act of one organism killing another for food.
What is predation?
The protein that makes skin tough and waterproof?
What is Keratin?
A factor of natural selection, organisms that are better able to cope with challenges in their environment produce more of these.
What are off spring?
The study of these (pre-natal) similarities serves to identify how closely related organisms are to each other.
What are embryos?
These hold bones together at joints.
What are ligaments?
The term for the defensive chemicals contained in all plants.
What is secondary compound?
The 2 items that influence every organism on Earth.
What are sunlight and water?