WorksheetsXII - ZOO - CHAP - 6 - EVOLUTION & EVIDENCES
Total questions: 10
Worksheet time: 5mins
Which is the term used to describe anatomical features that are fully developed and functional in one group of organisms but reduced and not functional in similar groups?
A) analogous structures
B) transitional structures
C) vestigial structures
D) homologous structures
The wings of birds and insects are
A) analogous structures.
B) vestigial structures.
C) transitional structures.
D) homologous structures.
The study of the history of life forms of the earth is called _ _ _ _ _ _ _.
A) Evolutionary Biology
B) Ecology
C) Environmental biology
D) Comparative anatomy
Vestigial structures can best be defined as structures that _____.
A) are functional
B) will become functional
C) are no longer functional
D) No answer is correct.
Embryological support for evolution was proposed by _ _ _ _ _.
(a) Ernst Heckel
(b) Karl Ernst von Baer
(c) Charles Darwin
(d) Alfred Wallace
Flippers of penguins and dolphins are examples of _ _ _ _ _.
(a) convergent evolution
(b) industrial melanism
(c) natural selection
(d) adaptive radiation
Sweet potato is a ___(I)___ modification whereas potato is a ___(II)___ modification.
A) (I)- Root
B) (II)- Root
C) Both A and B
D) None of these
Analogous structures are a result of ______
A) stabilizing selection
B) divergent evolution
C) convergent evolution
D) shared ancestry
Which of the following structures is homologous to the wing of a bird?
A) Wing of a moth
B) Hind limb of the rabbit
C) Flipper of the whale
D) The dorsal fin of a shark
Peripatus is a connecting link between
(a) mollusca and echinodermata
(b) annelida and arthropoda
(c) coelenterata and porifera
(d) ctenophora and platyhelminthes.
