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What is spontaneous generation and which scientist disproved it?
The mistaken idea that living things arise from nonliving sources. Francesco Redi
What is a hypothesis
a possible explanation for set of observations or answer to a scientific question; must be testable. Educated prediction
What is the difference between eukaryotic and prokaryotic organisms?
eukaryotic has a nuclei and a prokaryotic does not.
What are parasites?
the organism that benefits by living on or in a host in a parasitism. ( another organism)
What are endospores?
a small, rounded, thick-walled, resting cell that forms inside a bacterial cell
What is the function of the cuticle?
a waxy, waterproof layer that covers most plants that help a plant reduce water loss.
What is the difference photosynthesis and respiration?
Photosynthesis: the process in which some organisms use the water along with sunlight and carbon dioxide to make their own food (plants)
Respiration: the process by which cells break down simple food molecules to real ease the energy they contain.
How do frogs breathe
through gills in their early life and than they breathe through lungs as adults
What is the function of chlorophyll in plant cells?
Chloroplasts in plants cells capture (absorbs) energy from sunlight
What is an exoskeleton and what is its purpose?
a waxy, waterproof outer shell or outer skeleton that protects the animal & helps prevent evaporation of water.
What is binary fission?
a form of a sexual reproduction in which one cell divides to two identical cells.
What is the difference between a medusa and a polyp?
medusa- the cnidarian body plan having a bowl shape & adapted for a free- swimming life (jellyfish)
polyp- the cnidarian body plan is characterized by a vaselike shape and that usually adapted for a life attached to an underwater surface. (sea anemone)
What is the stomata and what is its function?
small openings on a leaf through which oxygen and carbon dioxide can move.
What did Vanleeuvenhook observe under his microscope?
moving organisms called animalcules ( little animals)
What is a swim bladder and what is its function?
is an internal, gas-filled sac that helps the fish stay stable at different depths in the water.
What is the purpose of phloem in plants
Phloem transports food manufactured in the leaves to the root.
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