In some species of sharks, babies hatch from shells within their mother's body. What is this behaviour an example of?

a. oviparity
b. viviparity
c. ovoviviparity
d. budding


Ans: c. ovoviviparity

Biology & Microbiology

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Indicate whether the statement is true or false.

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Choose the true statements about the genomes of plants (especially Arabidopsis and rice), animals, and fungi. 

_____ Plants, animals, and fungi share most of the same genes for intermediary metabolism, genome replication, and protein synthesis. _____ "Plant" genes include those coding for photosynthetic pathways and morphology. _____ Plants generally have smaller genomes than those of animals and fungi. _____ Rice has fewer genes than humans.

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Although Lamarck's hypothesis was wrong, it is significant. Why?

What will be an ideal response?

Biology & Microbiology

The type of photoreceptor that is more concentrated in the center of the retina, allows for color vision and responds to bright light is called a ________ cell.

Fill in the blank(s) with correct word

Biology & Microbiology