BIOLOGY 106

Fungi - Answer -heterotrophs that feed by absorption -breakdown organic material, complex compounds by excreting enzymes so the fungi can absorb Chitin - Answer -make up cell wall of fungi, structural material Hyphae - Answer -branching filament structure, mostly underground -main mode of vegetative growth Mycellum - Answer -a collective group of hyphae

Independent variable - Answer Value does not depend on another factor Dependent variable - Answer Value depends on another factor Controlled variable - Answer Kept the same throughout the experiment What are the two key tissues that allow plants to transport water or organic nutrients, respectively, over long distances? - Answer Xylem - water and minerals from roots to shoots Phloem - transports sugars from photosynthesis to where they are needed In the root, plants need...

The three basic plant organs, ________, are organized into_____________. - Answer Leaves, Stems, Roots; A shoot system and a root system Nodes - Answer The point at which leaves are attached Internodes - Answer The stem segments between nodes Root - Answer -An organ that anchors the plant into the ground -Absorbs minerals and water from the tip -Stores organic nutrients -Root hairs increase surface area and absorb most of the water and minerals Axillary Bud - Answer ...

What is the difference between blood and hemolymph - Answer Blood is contained to vessels and is distinct from interstitial fluid whereas hemolymph acts as both blood and interstitial fluid What are the major types of blood vessels - Answer Arteries: carry blood from the heart to organs throughout the body Capillaries: microscopic vessels with very thin, porous walls Veins: the vessels that carry blood back to the heart What adaptations allow an animal to use diffusion across...

Positive Feedback Loop - Answer Moves a system away from its equilibrium state and make it more unstable Negative Feedback Loop - Answer A feedback loop that causes a system to change in the opposite direction from which it is moving Endocrine System - Answer The system responsible for hormones Steps in a simple pathway - Answer Reception Transduction Response Steps in a cascade pathway - Answer A stimulus (first messenger) activity on a receptor that is transduced t...

Which of the following statements is most likely to be true? - Answer Water flows into the direction of the lowest water potential. Plasmolysis is a cellular loss of water. How can a cell potentially prevent this? - Answer Increasing the cytoplasmic solute concentration What is correct about stomata movement control? Pick the Best. - Answer Two of the above. Which tissue will an aphid quite specifically try to suck on? - Answer Phloem The water potential in the root of a ...

Digestion is controlled by a cascade series of hormones. What hormone is release by the arrival of chyme into the small intestine? - Answer both CCK and Secretin Which phylum or phyla have a gastrovascular cavity? - Answer Cnidaria and Platyhelminthes What is the target tissue for calcitonin and how does it respond to the binding of this hormone? - Answer The bones respond by taking up calcium from the blood. You dissect an animal and it has a short intestine and a very small c...

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