39 Questions
What is an adaptation?
A physical or behavioral characteristic of a species that increases its chances of survival in a particular environment
What is the role of nutrients for organisms?
Provide energy and materials for growth, development, and reproduction
Which of the following is an example of a structural adaptation?
Cactus storing water
Which term describes the sum of all different processes that occur in an organism?
Metabolism
Francesco Redi conducted an experiment to disprove which theory?
Theory of Spontaneous Generation
In what way do beaks of birds vary?
Depending on their purpose
What is a stimulus in the context of living organisms?
Anything that causes a response in an organism
Which organisms are considered consumers in the energy flow within ecosystems?
Animals
What must happen for the survival of each type of organism?
Reproduction
What did Aristotle observe that led to his idea of spontaneous generation?
Mice exiting a bale of hay gave rise to living organisms
What is the primary role of producers in an ecosystem?
Convert sunlight into energy through photosynthesis
Which stage in a frog's life cycle involves the loss of gills and tail?
Tadpole stage
Which adaptation involves living in groups and territorial behaviors?
Behavioral adaptations
What is a common unicellular organism that moves around using pseudopods?
Amoeba
What was the purpose of Francesco Redi's experiment?
To disprove spontaneous generation
What is the purpose of reproduction in living organisms?
To ensure the continuity of species
Which unicellular organism is covered in cilia that help in movement and food gathering?
Paramecium
What happens when there is an imbalance between energy using and energy creating processes in an organism?
The organism may struggle to survive due to inadequate energy production.
What is the function of pseudopods in amoebas?
Capturing food
What characteristic describes multicellular organisms?
Made up of two or more cells
Which cellular process involves the movement of particles from a more concentrated area to a less concentrated area?
Diffusion
How do paramecia move through freshwater?
Using pseudopods
Which organism can perform most cellular functions with just a single cell?
Yeast
What are the three broad functions of the Central Nervous System (CNS)?
Taking in sensory information, processing information, sending out motor signals
Which part of the body connects the spinal cord to the brain?
Medulla oblongata
What is the role of spinal nerves in the body?
Serve as on-ramps and off-ramps for sensory information and motor commands
What is an example of a response that the spinal cord can generate without involving the brain?
Initiating a reflex action like pulling your hand away from a hot surface
In what way does the brain serve as a central computer for the body?
It regulates heart rate and digestion without conscious effort
How is the Peripheral Nervous System (PNS) related to the Central Nervous System (CNS)?
It serves as a network that relays messages to and from different parts of the body to the CNS
Which part of the brain controls functions like learning, memory, and speech?
Frontal lobe
What is the role of sensory information in the Central Nervous System?
Receive input from the senses and send it to be processed by the CNS
What is the wave-like movement that moves food down the esophagus called?
Peristalsis
Which gland produces saliva to chemically break down food using enzymes?
Salivary glands
What is the composition of gastric juice produced by the stomach?
Mucus, hydrochloric acid, water, and digestive enzymes
Where is bile stored until it is needed for digestion?
Gall bladder
Which organ produces enzymes that further break down food in the small intestine?
Pancreas
What structure in the small intestine increases the surface area for nutrient absorption?
Villi
Which part of the digestive system absorbs water and electrolytes?
Large intestine
Which organ mixes food with gastric juices to create a goopy soup?
Stomach
Test your knowledge on how organisms get energy and nutrients from the environment, and the chemical processes that occur inside cells to produce and use energy. Explore the balance between energy usage and survival in organisms.
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