Science End of Term

Question Answer
What do all living things need to survive? Food, Water, Space, Stable Internal Conditions
What are the levels of Classification? Kingdom, Phylum, Class, Order, Family, Genus, Species
What are the Infectious Agents? Virus, Bacteria, Prions, Fungi, Helminths, Protozoa
What are the functions of cytoplasm? It holds all the organelles of a cell in place and it can push itself out against the cell membrane to make a pseudopod
What's a flagellum used for? Locomotion
What are endospores? A small, rounded, thickwalled resting cell that forms inside a bacteria when they are in harsh conditions
What are harsh conditions for bacteria? Places that are dry and not warm and wet
What does bacteria help with? Food- make some foods taste good Digestion- aid intestines in digesting food Decomposing- Decompose dead organisms
What allows viruses to attach to specific cells? The protein coat around the virus
How small are viruses? Small even compared to bacteria
What's an active virus vs. a hidden virus? Active- symptoms are apparent immediately Hidden- hide and symptoms come later
How are Infectious Diseases spread? Direct contact, Indirect Contact, Contaminated Objects, Infected Animals, Food, Water, Soil
How can Infectious Agents be treated? Antibiotics for bacteria, Over the counter meds for pain relief, Vaccines, Wash hands, Nutritious food, Plenty of sleep
What are animal like protists? Protozoan
How do amoeba and paramecium move? Amoeba- pseudopod Paramecium- cilia
What are plant-like protists? Algae
What are examples of plant-like protists? Diatoms, Euglena, Red Algae, Green Algae, Brown Algae
What are examples of fungi-like protists? Slime molds, Downy molds, Water molds
How do fungi reproduce? Sexually or Asexually
Organism Living things that contain:
– cellular organization
– similar chemicals
– use energy
– respond to surroundings
– grow and develop
– reproduce
Unicellular Single celled organism
Multicellular Many celled organism
Autotrophs Organisms that make their own food
Prokaryote Organisms locking a nucleus.
Nucleus a dense area in the cell that contains nucleic acids, it sends instructions to the cell
Conjugation A process in which one bacterium transfers some of its genetic material into another bacterium through a think threadlike bridge that joins the two cells.
Infectious Disease Illnesses that pass from one organism to another.
Cilia Hair like projections from cells that move with a wavelike motion.
Algal Bloom Rapid growth of population of algae.
Fungi Eukaryotes that have cell walls are heterotrophs that feed by absorbing their food, use spores to reproduce.
Budding A form of asexual reproduction without spores where the child cell grows on the body of the parent and then breaks away to form a new cell.
µ micro (µ m- micro meter)

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