Energy Pyramids & Trophic Levels
This is the first trophic level in an energy pyramid.
Producer
Asexual reproduction involves this __ parent(s).
1 parent
This is the smallest level of organization in a living organism.
Cell
The process by which organisms with beneficial traits survive and reproduce is called....
Natural Selection
The main organ of the circulatory system that pumps blood.
Heart
Herbivores are also called this in a food chain.
Primary Consumers
Strawberries and potatoes reproduce asexually using these structures.
Vegetative Propagation
A group of similar cells working together forms this.
Cell
Farmers breeding cows to produce more milk is an example of what type of selection.
Artificial Selection
The main organ of the respiratory system.
Lungs
In an energy pyramid, only this percent of energy is passed from one level to the next.
10%
Bacteria reproduce by splitting into two identical cells in this process.
Binary Fission
All the populations of different species in an area form this level of organization.
Community
This scientist developed the theory of natural selection.
Charles Darwin
These cells help fight infections in the body.
White Blood Cells
A hawk is an example of this type of consumer because it eats secondary consumers.
Tertiary Consumer
Offspring from sexual reproduction are this compared to their parents.
Genetically different
The correct order of biological organization from smallest to largest is...
cell → tissue → organ → organ system → organism
Over many generations, natural selection can lead to the development of new species in a process called...
Evolution
This muscle contracts and relaxes to help the lungs expand and deflate.
Diaphragm
If all primary consumers were removed from an ecosystem, the population of this level would increase first.
Producer
Sexual reproduction creates genetic diversity, but it also requires this (_____), making it slower than asexual reproduction.
Finding a Mate
The highest level of biological organization, which includes all ecosystems on Earth, is called...
Biosphere
Camouflage and mimicry are examples of traits that help organisms survive. These traits are called...
Adaptation
These vessels carry blood away from the heart.
These vessels carry blood back to the heart.
What are the three main components of the Circulatory System?
Arteries
Veins
Blood, Blood Vessels, and the Heart