WSU BIO 101 BIOLOGY EXAM 1 |
BIOLOGY 101 STUDY GUIDE, HIGH-
YIELD PRACTICE QUESTIONS,
ANSWERS & EXAM PREP
Organization of life - correct answer chemical level, cellular level, tissue level, organ
level, organ system level, organism level
Homeostasis - correct answer A tendency to maintain a balanced or constant internal
state; the regulation of any aspect of body chemistry, such as blood glucose, around a
particular level
3 Ways to adjust to external environment - correct answer 1. Move to a more favorable
environment
2. Alter current environment
3. Body's homeostatic control systems can compensate for the difference
negative feedback system - correct answer stimulus receptors (monitors environment
ex. skin)
Control Center (brain)
Effector - receives instructions and carries out response (muscles)
Human Temperature - correct answer 98.6
above 109 is lethal
below 90 is an emergency
below 80 is lethal
9 characteristics of life - correct answer Responsiveness, adapting, living materials,
alter environment, acquire and use energy, homeostasis, senses, reproduction,
organization
Characteristics of Kingdom Animalia - correct answer Multicellular
Heterotrophic
Lack rigid cell walls
, phyla - correct answer sponges, worms, insects, mulluscs, jellyfish
chordata
Phylum Chordata - correct answer Notochord (spinal column)
Dorsal (spinal cord)
Pharyngeal gill slits
Post Anal tail (us=coccyx)
Subphylum Vertebrata - correct answer Vertebrae
Vertebrate Classes - correct answer Hagfish and lampreys
Sharks and Rays
Bony Fishes
Amphibians
Reptiles
Birds
Mammals
Class Mammalia - correct answer mammary glands and hair
Order Primates - correct answer Large brians, better stereoscopic vision (forward
looking), at the expense of smell, opposable thumbs
Family Hominidae - correct answer great apes (orangutans, chimps, bonobos, gorrillas,
human)
Lost tail
Homo Genus - correct answer -Even larger brain
-reduced face and jaw size
-increased reliance on social/cultural interactions
-use of tools and fire
-hands adept at complex manipulation
-habitually bipedal
Human Classification - correct answer Domain-Eukarya
Kingdom-Animalia
Phylum-Chordata
subphylum-vertebrata
Class-mammalia
Order-Primates
Family-Hominidae (great apes)
Genus-Homo
Species-sapiens
sub-species-sapiens
Hominidae (Great apes) appeared? - correct answer 20 million years ago
BIOLOGY 101 STUDY GUIDE, HIGH-
YIELD PRACTICE QUESTIONS,
ANSWERS & EXAM PREP
Organization of life - correct answer chemical level, cellular level, tissue level, organ
level, organ system level, organism level
Homeostasis - correct answer A tendency to maintain a balanced or constant internal
state; the regulation of any aspect of body chemistry, such as blood glucose, around a
particular level
3 Ways to adjust to external environment - correct answer 1. Move to a more favorable
environment
2. Alter current environment
3. Body's homeostatic control systems can compensate for the difference
negative feedback system - correct answer stimulus receptors (monitors environment
ex. skin)
Control Center (brain)
Effector - receives instructions and carries out response (muscles)
Human Temperature - correct answer 98.6
above 109 is lethal
below 90 is an emergency
below 80 is lethal
9 characteristics of life - correct answer Responsiveness, adapting, living materials,
alter environment, acquire and use energy, homeostasis, senses, reproduction,
organization
Characteristics of Kingdom Animalia - correct answer Multicellular
Heterotrophic
Lack rigid cell walls
, phyla - correct answer sponges, worms, insects, mulluscs, jellyfish
chordata
Phylum Chordata - correct answer Notochord (spinal column)
Dorsal (spinal cord)
Pharyngeal gill slits
Post Anal tail (us=coccyx)
Subphylum Vertebrata - correct answer Vertebrae
Vertebrate Classes - correct answer Hagfish and lampreys
Sharks and Rays
Bony Fishes
Amphibians
Reptiles
Birds
Mammals
Class Mammalia - correct answer mammary glands and hair
Order Primates - correct answer Large brians, better stereoscopic vision (forward
looking), at the expense of smell, opposable thumbs
Family Hominidae - correct answer great apes (orangutans, chimps, bonobos, gorrillas,
human)
Lost tail
Homo Genus - correct answer -Even larger brain
-reduced face and jaw size
-increased reliance on social/cultural interactions
-use of tools and fire
-hands adept at complex manipulation
-habitually bipedal
Human Classification - correct answer Domain-Eukarya
Kingdom-Animalia
Phylum-Chordata
subphylum-vertebrata
Class-mammalia
Order-Primates
Family-Hominidae (great apes)
Genus-Homo
Species-sapiens
sub-species-sapiens
Hominidae (Great apes) appeared? - correct answer 20 million years ago
