Ecosystems
What is the main function of protein in the body?
Building and repairing body tissues
What is the study of Life called?
Biology
Define Vestigial Structure?
Vestigial structures are various cells, tissues, and organs in a body which no longer serve a function.
What is located in the nucleus of an atom?
Protons and Neutrons
How old is the Earth?
4.54 billion years old
or 4.6 billion years old
Which is the primary source of energy for most cells in the body?
A. sugar B. fat C. protein D. vitamins
A. Sugar
What is the study of Earth and its components, including the study of rock formations?
Geology
Define Ecosystem.
the complex of living organisms, their physical environment, and all their interrelationships in a particular unit of space.
What are the three States of Matter?
Solid Liquid Gas
What era were dinosaurs found in?
Mesozoic Era
What is the name of the relationship when both organisms benefit from each other?
Mutualism
What is the scientific study of the properties and behavior of matter?
Chemistry
Define Homologous Structures.
oragns or skeletal elements of animals and organisms that, by virtue of their similarity, suggest their connection to a common ancestor.
Which is a compound?
sodium
sugar
nitrogen
air
Sugar
What is the present Era?
Cenozoic
Which element are Biotic?
A. Water and Air
B. Soil and Water
C. Air and Insects
D. Grass and Insects
Grass and Insects
The study of rocks is called?
Petrology
Define Fossil.
the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock:
Which is classified as an element?
A. Carbon Dioxide B. Iron C. Vinegar D. Water
B. Iron
Which is the most accurate method scientists use to predict the age of Earth?
A. relative dating of rocks layers
B. radioactive dating of rocks
C. comparing the ages of different fossils
D. Investigating core sample from the Arctic
B. Radioactive dating of rocks
In a food web what organism takes in carbon dioxide from its environment to fuel its life processes. What is one way the organism can return oxygen to the environment?
Photosynthesis
What is the study of fossils called?
Paleontology
Define Cellular Respiration.
cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
What is the law of conservation of Mass?
“The mass in an isolated system can neither be created nor be destroyed but can be transformed from one form to another”.
Vestigial structures, such as hip bones in whales and appendixes in humans, are those that have little or no function for the organism. What is the most likely reason for this loss of function over time?
The structure was not highly beneficial to the organism.