Biology 1108 Unit 3 Exam Questions with Correct Answers 2026

Biology 1108 Unit 3 Exam Questions
jk jk jk jk jk




with Correct Answers 2025
jk jk jk jk




Which j k of j k the j k following j k describes j k the j k relationship j k of j k mycorrhizal j k fungi j k and j k plants? j k -
CORRECT j k ANSWER j k -they j k live j k in j k and j k among j k plant j k roots, j k supplying j k plants j k with
j k nutrients.




Fungi j k that j k absorb j k nutrients j k from j k decaying j k plant j k matter j k are j k called
jk .
jk- jkCORRECT j k ANSWER j k -saprobes




Which j k of j k the j k following j k best j k describes j k how j k fungi j k are j k able j k to j k obtain
j k nutrition? j k - jkCORRECT j k ANSWER j k -absorbing j k nutrient j k via j k external j k digestion




The j k main j k body j k of j k a j k fungus, j k which j k is j k composed j k of j k a j k mass j k of
j k tubular j k hyphae: j k - jkCORRECT j k ANSWER j k -mycelium




Lichens j k are j k symbiotic j k associations j k of j k fungi j k and j k . j k - j k CORRECT
j k ANSWER j k - jkcyanobacteria j k or j k green j k algae




Which j k of j k these j k fungal j k features j k supports j k the j k phylogenetic j k conclusion j k that j k fungi
j k are j k more j k cl jkosely j k related j k to j k animals j k than j k to j k plants? j k - j k CORRECT j k ANSWER j k -


The j k cell j k walls j k of j k fungi j k are j k made j k of j k chitin.



A j k mold j k with j k coeonocytic j k hyphae j k is j k discovered. j k Which j k statement j k would j k best
j k describe j k these jkhyphae? j k - j k CORRECT j k ANSWER j k -they j k have j k no j k walls, j k and


j k multiple j k nuclei.




These jkcnidarians jksecrete jka jkcalcium jkcarbonate jkexoskeleton jkand jkform jksymbiotic
jkrelationships jkwith jkprotists jkthat jkphotosynthesize jkin jkthe jkclear jkwaters jkof jkthe jktropics: jk-


jkCORRECT jkANSWER jk- jkcorals

, The j k digestive j k system j k of j k most j k animals j k is j k lined j k with j k cells j k through j k which j k nutrients
j k are j k absorb jked. j k What j k is j k the j k embryonic j k origin j k of j k these j k cells? j k - j k CORRECT


j k ANSWER j k -endoderm




Referring j k to j k the j k figure j k below, j k which j k organism j k possesses j k a j k pseudocoelomate j k body
j k plan? j k - jkCORRECT j k ANSWER j k -Roundworm




These j k flagellated, j k colonial, j k protists j k are j k thought j k to j k closely j k resemble j k the j k ancestor
j k of j k all j k anim jkals: j k - j k CORRECT j k ANSWER j k -choanoflagellate




An j k organism j k that j k exhibits j k a j k head j k and j k central j k nervous j k system j k probably
j k also j k .
jk- jkCORRECT j k ANSWER j k -bilaterally j k symmetrical




The j k internal j k skeleton j k of j k sponges j k is j k supported j k by j k glassy j k or j k calcium j k carbonate j k spines
j k called:


- j k CORRECT j k ANSWER j k -spicules



Which j k of j k the j k following j k best j k describes j k the j k evolutionary j k process j k of j k cephalization? j k -
CORRECT j k ANSWER j k -the j k formation j k of j k a j k head, j k as j k a j k response j k to j k hunting j k and
j k seeking j k prey




Which j k of j k the j k following j k statements j k would j k best j k describe j k a j k triploblastic
j k animal? j k - jkCORRECT j k ANSWER j k -One j k that j k possess j k three j k embryonic


j k tissue j k layers




These j k non-bilaterian j k animals j k swim j k using j k comb-
like j k plates j k of j k cilia, j k and j k capture j k prey j k using j k sticky j k tentacles: j k - j k CORRECT j k ANSWER j k -
Ctenophora



Which j k of j k the j k following j k is j k NOT j k a j k characteristic j k of j k animals? j k - j k CORRECT
j k ANSWER j k - jkchitin j k within j k cell j k walls