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Endothermic Fish: rete mirable - ANSWERBluefin tuna, swordfish; heart pumps blood to gills; cold blood flows from gills to body in superficial arteries; arterial blood flowing into muscles warmed by venous blood flowing out of muscles Torpor - ANSWERState of reduced metabolic activity in which the heart rate and respiratory system slow down Hibernation - ANSWERResponse to cold (triggered by photoperiod) Aestivation - ANSWERResponse to heat or drought Nitrogenous Wastes - ANSWERammoni...

An unlearned behavior directly linked to a stimulus that is carried to completion once initiated and is essentially unchangeable is _____. 1. one that requires parental teaching 2. operant conditioning 3. a conditioned response 4. not species specific 5. a fixed action pattern - ANSWERa fixed action pattern =Fixed action patterns are genetically determined behaviors that are stereotypic and species specific. They are not modified through learning, and they occur independent of prior ex...

Polysacchrides - ANSWERchains of many sugars (type of carbohydrate) Cellulose - ANSWERthe lineup of glucose molecules. (type of carbohydrate) it is harder to break these bonds. found in plant cell walls provide structure Chitin - ANSWERmakes up external skeleton of lobsters and instects Types of Lipids - ANSWERfatty acids, fat or oil molecules, phosholipids, steroids, terpenes lipids - ANSWERfatty substances contain alot of energy not soluble in water fatty acids - ANSWERcha...

Methylation and acetylation, which involve chemical tags covering DNA and histones, respectively, each contribute to the... - ANSWEREpigenome What is the difference between the DNA code and epigenome? The DNA code is _____. - ANSWERFixed for life, while the epigenome is flexible. Consider the case of identical twins Joe and Sam, who are infants. If their DNA code is sequenced, what would one most likely find? Their DNA sequences _____. - ANSWERAre nearly carbon copies Consider the case ...

Hydrogen Bonds - ANSWERTwo molecules are bonded together due to the attraction of their opposite, yet partial charges. Polar Covalent - ANSWERTwo atoms are bonded together when valence electrons are shared between the two. The electrons spend more time circulating around the nucleus of the first atom than the second. Nonpolar Covalent - ANSWERTwo atoms are bonded together when valence electrons are shared between the two. The electrons spend an equal amount of time around the nucleus of ea...

define homeostasis - ANSWERinternal environment risk kept constant in the face of changes in external environment define diffusion - ANSWERmovement of solutes hi-lo can diffusion reach equilibrium? - ANSWERyes, still movement define osmosis - ANSWERmovement of water hi-lo facilitated diffusion - ANSWERrequires a carrier or channel, can become saturated active transport - ANSWERmovement of solutes lo-hi, requires ATP primary active transport - ANSWERuses a pump secondary acti...

Early photosynthetic bacteria generated free oxygen as a by product of the chemical splitting of water - ANSWERWhich statement about oxygen levels on Earth is true? Dd is a gentotype - ANSWERMale earwigs that are DD at a locus have greater success in mating than those that are Dd or dd. Which statement is correct? synapomorphies - ANSWERHumans and African apes (chimpanzes, bonobos, and gorillas) share traits, such as elongated skulls and shortened canine teeth, that other related species d...

Which of the following statements about natural selection is true? - ANSWERNatural selection favors individuals that reproduce more than others. Which term describes a trait that increases an individual's ability to survive in a particular environment? - ANSWERadaptation Which term describes the ability of a trait to be passed on to offspring? - ANSWERHeritability Which of the following organisms could be produced by artificial selection? - ANSWERA cow that produces a large quantity of...

An autotroph is an organism that - ANSWERextracts energy from organic sources and relies on the energy produced by other organisms as an energy source. What processes are required for the complete oxidation of glucose? - ANSWERGlycolysis, pyruvate oxidation, and the Krebs cycle. What is NOT a product of glycolysis? - ANSWERCO2 (carbon dioxide) Glycolysis produces ATP by - ANSWERsubstrate-level phosphorylation. What is the role of NAD+ in the process of cellular respiration? - ANSWERI...

homology - ANSWERsimilarity due to common ancestry - phenotype properties homoplasy (convergence) - ANSWERsimilarity due to independent evolution. Adaptations due to an environment. The mammal Humpback Whale and the fish Whale Shark both have dorsal fins - not because of any common ancestry. phylogeny - ANSWERfamily tree among species - hypothesis of evolutionary relationships. evolution - ANSWERchange in the heritable properties of a population over generations. Individuals DO NOT evol...