Complete Solutions
Are Homeotherms endothermic or ectothermic? Correct
Answers Endothermic
Are Poikilotherms endothermic or ectothermic? Correct
Answers Ectotherms
Describe the Cambrian Explosion? Correct Answers A period
of rapid evolution change when several modern phyla appeared
and others diversified in the fossil record, specifically animal
phylogenies
Explain the relationship between evolutionary reversal and
synapomorphies? Correct Answers These concepts share the
belief that two organisms that have apomorphies in common, but
in evolutionary several, this trait is lost and then repurposed
Explain the relationship between homoplasy and convergent
evolution? Correct Answers Both of these concepts follow the
believe that certain traits can be shared by organisms on two
completely separate linages
Explain the steps of Alteration of Generations? Correct
Answers Spore (n) -> Gametophyte (n) -> FETERILIZATION -
> Zygote (2n) -> Sporophyte -> MEIOSIS -> Spore (n)
How do species arise? Correct Answers - Allopatric Speciation
(geographic isolation)
- Sympatric Speciation (genetic mutation)
,How does the body control internal temperature on a cold day?
Correct Answers - Vasoconstriction
- Sun bathe (radiation)
- Sit on warm surface (conduction)
- Limit wind (convection)
- "Goosebumps" (piloerections)
- Shiver (thermogenesis)
- Brown fat
How does the body control internal temperature on a hot day?
Correct Answers - Vasodilatation + Sweating
- Posture to avoid sunlight (radiation)
- Seek Shade
- Seek Wind
- Limit hot surface contact (conduction)
- pant/gular flutter
- Sweat
- Urinate/lick self (evaporation)
Name the different Organ Systems Correct Answers -
Digestive
- Circulatory
- Respiratory
- Immune & Lymphatic
- Excretory
- Endocrine
- Reproductive
- Nervous
- Integumentary
- Skeletal
, - Muscular
What are Lamarck's principals of evolution? Correct Answers -
Use and disuse
- Inherence of acquired characters
What are some adaptations of seed plants? Correct Answers -
Sporophyte dominance
- Heterospory (Mega/Microsporangium)
- Ovules and eggs
- Pollen and sperm
What are some advantages of seeds? Correct Answers - Seeds
allow for dormancy and reanimation after dispersal
- Larger and multicellular with protective layers
- Longer lifespan
- Supply of stored food to sustain embryo during germination
What are some basic characteristic of tetrapods? Correct
Answers - 4 limbs
- 2nd cervical vertebrae
- Pelvic girdle
- Lacks gills
What are some basic characteristics of Deuterostomes? Correct
Answers - Radial cleavage
- Bilateral symmetry
- Coelomates
- Closed Circ. System