Old Exam Questions
In single-celled organism, materials are stored primarily in?
Vacuoles
What is Abiotic
nonliving parts of the environment
Where does the gametes produce?
Ovaries
Whats the powerhouse of the cell?
Mitochondria
What is habitat
The place where an animal or plants live
In a food web, which type of organism receives energy from the other three types?
Decomposer
What is a Consumer
An organism that obtains its energy from producers
What breaks down the food?
Stomach acid
Mitochondria are organelles that?
release energy from nutrients
The conditions that existed in a forest before a fire will be established mainly by?
Succession
Which sequence best represents the level of organization in a paramecium, a single-celled organism?
Organelles-->Organism
What is Biosphere
All Earths ecosystems
What is white blood cells?
Protects the body from infections
Cytoplasm in a plant cell will shrink if the cell is?
Placed in a concentrated salt solution
Which organisms are chiefly responsible for the recycling of dead matter?
Decomposers
Genetic recombination, production of more offspring than can survive, and struggling with the challenges of the environment are all concepts associated with?
Natural Selection
What is Bond
The chemical link between atoms that hold molecules together
What does red blood cells do?
Carry oxygen from lungs to the rest of the body
A cell containing 98% water in its cytoplasm is placed in a 2% salt solution. It should...
Gain salt because of the high rate of diffusion
What is food web?
A chain of what animals eat.
The diagnostic test HIV, the virus that causes AIDS, involves testing the blood for antibodies associated with this pathogen. Antibodies are produced when the body
Detects foreign antigens
What is heterotroph
Organism that cannot make its own food; a consumer
Where does the nerves emerge to?
The spinal cord
What is the most important part of the cell?
Nucleus
If no human intervention or natural disater occurs, by te year 2050 this area will most likely be?
Forest