In the section "Investigating Life: Solar-Powered Sea Slugs", the sea slug Elysia chlorotica absorbs chloroplasts as it digests algae. This allows the sea slug to live on sunlight and carbon dioxide and suggests that
A. photosynthesis can occur from proteins released from a digested chloroplast.
B. regions of a plant outside of the chloroplast are necessary for photosynthesis.
C. chloroplasts alone are sufficient for photosynthesis.
D. some of the algae are not digested and are living symbiotically inside of the sea slugs.
E. photosynthesis can occur outside of a chloroplast in algae.
C. chloroplasts alone are sufficient for photosynthesis.
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Which of these is a heterotroph?
A. a phytoplanktonic diatom B. a moss plant C. an oak tree D. a corn plant E. a fish
In a cross between a true-breeding plant bearing the dominant traits of smooth, yellow seeds and a true-breeding plant bearing the recessive traits of wrinkled, green seeds, the offspring (F1) are all smooth and yellow and their genotype is ____
a. SSYY b. ssyy c. SsYy d. ssYY e. SSyy
Lichens are an important component in many
ecosystems because they
a. are primary producers. b. help form soil by breaking down rocks. c. are food for primary producers. d. trap small predators with their hyphae. e. form a mutualistic relationship with the roots of most plants
Four of the five answers listed below are muscles. Select the exception
a. pectoralis b. patella c. gastrocnemius d. deltoid e. sartorius