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69 Cards in this Set
- Front
- Back
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What is the 2 word naming sysytem for naming organisms?
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Binomial Nomenclature
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What are 3 advantages for using a scientific naming system?
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A) accepted by speaker of all languages.
B) Each name applies only to one species. C) Each species has only 1 name. |
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What are analagous structures?
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Structures are similar in function but not neccesarily in structure and which has evolved through time.
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What is a population?
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Consist of all the individuals as a species that line together in one place at one time.
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Would you consider all of the trees in edison a population? explain your answer.
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Yes because they all line in one place at the same time.
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When an animal population reaches its capacity, what do animals compete for?
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Food
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When a population grows what does exponential growth mean?
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rate of population growth stays the same as a result the population size increases steadily.
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What is a gene flow?
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The movement of alleles
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What is a community
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group of species that live in the same habitat and interact with each other.
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What is a habitat?
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the place where an organism usually lives.
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What is ecology the study of?
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The study of the interactions of living organism with one another and with their enviroment.
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What does the term succession mean?
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the replacement of one type community by another at a single location over a period time.
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What is the job of a decomposer?
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an organism that feeds by breaking down organic matter from dead organism; examples include bacteria and fungi
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How do fungi obtain nutrients?
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secreting digestive enzymes that break down organic matter in their enviornment. Fungi then absorb the decomposed mokecules.
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In a savannah/grassland, what would be considered the primary producers
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wild flowers, Grass, trees
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Diagram a food web
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see drawing
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What is a producer?
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Producer is an organism that can make organic molecules from inorganic molecules;a photosynthetic or chemosynthetic autotroph that serves as the basic food source in an ecosystem.
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Are algae considered to be proucers or consumers?
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Producers
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What is a food web?
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Diagram that shows the feeding relationships between organisms in an ecosystem.
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How does a food web differ from a food chain?
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a food web is a diagram that shows the feeding relationships between organisms in an ecosystem, and a food chain is a pathway of energy transfer through various stages as a result
of the feeding pattern of a series of organism. |
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What are carnivores?
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Animal that eat other animals
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What are herbivores?
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any organism that eats only plants
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What are omnivores?
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Any organism that eats both plants and animals.
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What is coevolution?
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Co evolution is the process in which long-term, independent changes take place in two species as a result of their interactions
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What is parasitism?
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a relationship between two species in which one species, the parasite , benefits from the other species, the host, and usually harms the host.
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What is a niche?
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the position of a species in an ecosystem in terms of the physical characteristic of the area where the species lives and the function of the species in the biological community
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What us a biome?
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Biome is a large region characterized by a specific type of climate and certain types of plant and animal communities.
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Where are plankton commonly found on a food web?
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On the bottom
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Where is most of the earths surface water located?
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ice caps
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Where do virus reproduce?
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???????
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Are virus photosynthetic, chemosynthetic, or parasitic?
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parasitic because they are symbiotic that need a host to reproduce and survive.
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What is the lytic cycle?
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Cycle of viral infection,replication, and cell destruction is called lytic cycle.
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What is a pathogen?
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Virus, microorganism, or other substance that cause disease;an infectious agent
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Why is it important to know difference between Gram+ and Gram- bacteria when diagnosing a bacterial infection?
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The difference between Gram-negative and gram positive bacteria is that Gram-positive bacteria have a thicker peptidoglycan layer than they do the Gram-negative bacteria. it is important to know the reaction a physician can choose the kind of antibiotic that is most effective against the kind of bacteria that is infecting you.
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Name three different types of bacteria and describe their shapes.
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A)Bacilus-rod shaped
B)Cocus-round shaped C)Spiral Cell |
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What is bacterial conjugation?
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Bacterial conjugation is the transfer of genetic material between bacteria through direct cell-to-cell contact
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Who is Alexander Fleming?
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British bacteriologist noticed a fungus of geneus Penicillium growing on a culture of S.aureus.
Found out pennicilin was effective way in treating many bacterial disease such as pnemonia. |
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Where do protist live
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Protist live in water area like streams, ponds, and ocean
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What are pseudopods
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Retractable temporary cytoplasmic extension that functions in food ingestion and movement in certain ameboid cell
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what type of protist has pseudopods?
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Cilia
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How does a euglen obtain nutrients?
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Phoosynthetic
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What are hyphae
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a nonreproductive filament of a fungus
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How do fungi obtain food?
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Heterotrophic decomposer
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How are fungi important to their ecosystem?
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resource, recycle, and help out the envirornment
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Name three ways that fungi are economically important to enviornment?
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Drugs, antibiotics, penicellin, contraceptive.
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What type of fungi is a mushroom?
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Basidiomycoth
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What type of fungi is a bread mold?
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Rhizopus
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What function do the Mycorrhizae
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They dont physically penetrate but they wrap around the plant
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Where would you most likely find lichens
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Arid desert, regions and in the artic they are on bare soil, tree trunks, and sunbake rocks.
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What are most likely the ancestor of todays land plants?
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Green Algae
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What are the vascular tissues in plant?
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specialized conducting tissue that is found in higher plant and that is made up mostly of xylem and pholem
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How are the gametes of angiosperm flowers transferred
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Pollination
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What are fiddleheads
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FiddleheadsFiddleheads are the tightly coiled new growth of ferns
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Is a fern vascular or nonvascular
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Yes
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Are most plants angiosperm or gymnosperm
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angiosperm
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Are monocots and dicots angiosperms or gymnosperms
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angiosperm
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Is yeast an angiosperms
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No
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What is the function of the pholem?
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a protective layer made up of tiny tubes that transport the sugars from the leaves to the rest of the tree.
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What type of root system is the largest central root of a carrot?
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A true root system consists of a primary root and secondary roots
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What is a simple leaf
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leaf that is not divided into parts
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Where do leaves connect to the stems of plant?
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are attached to the stem of a plant with a short stalk called the petiole
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What is the main functions of root hairs
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absorb water and minerals from the soil. They increase the roots surface area for this purpose.
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What is transpiration
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Most of the water taken up by the plant is lost through transpiration. A tiny percentage of the water is used in making glucose by photosynthesis and in making new cells.
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What is the function of a stomata
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the function of stomata cell they exchange gases between the inside of the leaf and it,s surroundings takes place by duffision
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How long does it take an annual plant to complete its life cycle?
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one year
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What is the most important advantage to an organism being multicellular
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The capacity to perform multiple and/or specialized functions
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What are the skin and nervous system of an animal derived from
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ectoderm
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What is bilateral symmetry
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is the balanced distribution of duplicate body parts or shapes.
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Name and animal that exhibits radial symmetry
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sea star
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