ENT 101 midterm 1 exam with correct |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
answers
insect represent what percent of all known species - correct answer✔✔over 50%
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vertebrates - correct answer✔✔have an internal skeleton (endoskeleton) with vertebrae
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arranged into a spinal column |||\\\ |||\\\ |||\\\ |||\\\
invertebrates - correct answer✔✔no vertebrae (no internal support structure) they have |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
support outside their body (exoskeleton) |||\\\ |||\\\ |||\\\ |||\\\
two functions of the vertebral column - correct answer✔✔1. provides support against gravity
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2. allows for large body sizes
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vertebrate animals (5) - correct answer✔✔1. amphibians |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
2. fish
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3. reptiles
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4. birds
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5. mammals
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more than 90% of all species are what - correct answer✔✔invertebrates
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most recognized species of invertebrates - correct answer✔✔arthropods
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arthron - correct answer✔✔joint |||\\\ |||\\\ |||\\\ |||\\\
,podos - correct answer✔✔feet |||\\\ |||\\\ |||\\\ |||\\\
arthropod means what - correct answer✔✔jointed appendages |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
two functions of jointed appendages - correct answer✔✔1. locomotion
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2. modified for different structures (antennae, mouth parts, reproductive structures)
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how many known species of arthropods are there - correct answer✔✔about 1.2 million
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arthropods include what groups (6) - correct answer✔✔1. crabs |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
2. lobsters
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3. spiders|||\\\
4. scorpion
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5. millipedes
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6. centipedes
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7. insects|||\\\
5 characteristics of arthropods - correct answer✔✔1. bilateral symmetry
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2. segmented bodies
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3. ventral nerve cords
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4. dorsal blood vessels
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5. exoskeletons
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bilateral symmetry - correct answer✔✔split along the anterior-posterior axis (forming a single
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plane of symmetry, separating into left and right sides)
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,jellyfish almost have perfect of what type of symmetry - correct answer✔✔radial
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3 main body axis - correct answer✔✔1. dorsal/ventral
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2. anterior/posterior
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3. lateral|||\\\
dorsal ventral axis - correct answer✔✔from top to bottom
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anterior posterior axis - correct answer✔✔from front to back
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lateral axis - correct answer✔✔from one side to another
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segmented body - correct answer✔✔fused into regions/tagmata with different biological
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functions
ventral nerve cord of arthropods is not enclosed in what - correct answer✔✔a protective
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spinal column |||\\\
what type of nerve cord do humans have - correct answer✔✔dorsal
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what kind of circulatory system do humans have - correct answer✔✔closed
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open circulatory system of arthropods - correct answer✔✔don't have a network of blood
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vessels, they have a single dorsal blood vessel with large openings at either end
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in arthropods, tissues are directly exposed to what - correct answer✔✔blood
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, exoskeleton two features - correct answer✔✔hard and flexible |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
exoskeleton of arthropods is made up of what - correct answer✔✔cuticle and epidermis
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
exoskeleton cuticle is made up of which two things - correct answer✔✔chitin and protein
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3 layers of the exoskeleton cuticle - correct answer✔✔1. waxy epicuticle
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2. exocuticle
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3. endocuticle
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exocuticle is hardened by what - correct answer✔✔tanning
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endocuticle features - correct answer✔✔unhardened and stretchy |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
epidermis of exoskeleton lies where - correct answer✔✔below the endocuticle
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basement membrane of exoskeleton - correct answer✔✔thin tissue under epidermis
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(separating it form the body cavity) |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
5 functions of the exoskeleton of arthropods - correct answer✔✔1. protects from damage
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2. reduces water loss
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3. site for muscle attachment
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4. barrier against microorganisms
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5. supports internal organs
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answers
insect represent what percent of all known species - correct answer✔✔over 50%
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
vertebrates - correct answer✔✔have an internal skeleton (endoskeleton) with vertebrae
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
arranged into a spinal column |||\\\ |||\\\ |||\\\ |||\\\
invertebrates - correct answer✔✔no vertebrae (no internal support structure) they have |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
support outside their body (exoskeleton) |||\\\ |||\\\ |||\\\ |||\\\
two functions of the vertebral column - correct answer✔✔1. provides support against gravity
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
2. allows for large body sizes
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
vertebrate animals (5) - correct answer✔✔1. amphibians |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
2. fish
|||\\\ |||\\\
3. reptiles
|||\\\
4. birds
|||\\\ |||\\\
5. mammals
|||\\\
more than 90% of all species are what - correct answer✔✔invertebrates
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
most recognized species of invertebrates - correct answer✔✔arthropods
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
arthron - correct answer✔✔joint |||\\\ |||\\\ |||\\\ |||\\\
,podos - correct answer✔✔feet |||\\\ |||\\\ |||\\\ |||\\\
arthropod means what - correct answer✔✔jointed appendages |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
two functions of jointed appendages - correct answer✔✔1. locomotion
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
2. modified for different structures (antennae, mouth parts, reproductive structures)
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
how many known species of arthropods are there - correct answer✔✔about 1.2 million
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
arthropods include what groups (6) - correct answer✔✔1. crabs |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
2. lobsters
|||\\\
3. spiders|||\\\
4. scorpion
|||\\\ |||\\\
5. millipedes
|||\\\
6. centipedes
|||\\\
7. insects|||\\\
5 characteristics of arthropods - correct answer✔✔1. bilateral symmetry
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
2. segmented bodies
|||\\\ |||\\\ |||\\\
3. ventral nerve cords
|||\\\ |||\\\ |||\\\ |||\\\
4. dorsal blood vessels
|||\\\ |||\\\ |||\\\ |||\\\
5. exoskeletons
|||\\\
bilateral symmetry - correct answer✔✔split along the anterior-posterior axis (forming a single
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
plane of symmetry, separating into left and right sides)
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
,jellyfish almost have perfect of what type of symmetry - correct answer✔✔radial
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
3 main body axis - correct answer✔✔1. dorsal/ventral
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
2. anterior/posterior
|||\\\ |||\\\
3. lateral|||\\\
dorsal ventral axis - correct answer✔✔from top to bottom
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
anterior posterior axis - correct answer✔✔from front to back
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
lateral axis - correct answer✔✔from one side to another
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
segmented body - correct answer✔✔fused into regions/tagmata with different biological
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
functions
ventral nerve cord of arthropods is not enclosed in what - correct answer✔✔a protective
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
spinal column |||\\\
what type of nerve cord do humans have - correct answer✔✔dorsal
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
what kind of circulatory system do humans have - correct answer✔✔closed
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
open circulatory system of arthropods - correct answer✔✔don't have a network of blood
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
vessels, they have a single dorsal blood vessel with large openings at either end
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
in arthropods, tissues are directly exposed to what - correct answer✔✔blood
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
, exoskeleton two features - correct answer✔✔hard and flexible |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
exoskeleton of arthropods is made up of what - correct answer✔✔cuticle and epidermis
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
exoskeleton cuticle is made up of which two things - correct answer✔✔chitin and protein
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
3 layers of the exoskeleton cuticle - correct answer✔✔1. waxy epicuticle
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
2. exocuticle
|||\\\ |||\\\
3. endocuticle
|||\\\
exocuticle is hardened by what - correct answer✔✔tanning
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
endocuticle features - correct answer✔✔unhardened and stretchy |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
epidermis of exoskeleton lies where - correct answer✔✔below the endocuticle
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
basement membrane of exoskeleton - correct answer✔✔thin tissue under epidermis
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
(separating it form the body cavity) |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
5 functions of the exoskeleton of arthropods - correct answer✔✔1. protects from damage
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
2. reduces water loss
|||\\\ |||\\\ |||\\\ |||\\\
3. site for muscle attachment
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
4. barrier against microorganisms
|||\\\ |||\\\ |||\\\ |||\\\
5. supports internal organs
|||\\\ |||\\\ |||\\\
