1) Which of the following is FALSE about lichen? a) it is a symbiotic relationsh

Question

1) Which of the following is FALSE about lichen?

a) it is a symbiotic relationship where both members benefit

b) the fungus provides the structural framework

c) the alga provides food which it obtains by absorbing decaying material through its roots

d) one of the members in the relationship photosynthesizes

2)Which of the following is FALSE about phylogenetic trees

a) they depict shared characteristics of related species

b) they reflect the evolutionary relationships between different lineages

c) the lowest point where branches intersect represents the most ancient ancestor to all the other lineages

d) organisms listed at the end of short branches (that do not reach to the top) are considered to have evolved to their most perfectly adapted form

e)branch intersections represent extinct ancestor species of the lineages that split off from them

Explanation / Answer

1) The false statement about the lichen is the alga provides food which it obtains by absorbing decaying material through its roots. Thus, the correct option is (c).

2) The FALSE statement about phylogenetic trees is branch intersections represent extinct ancestor species of the lineages that split off from them. Thus, the correct option is (e).

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