Question

Mention three features of Chordates.

Answer 1

Characteristics of Chordata. Animals in the phylum Chordata share four key features that appear at some stage during their development: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail (Figure 2). In some groups, some of these are present only during embryonic development.

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Answer 2

For the following frequency distribution,what is the value of 'l" in finding the median for the data?

0 points



12

11.5

12.5

11