29. Whick of the Selilowing in derigtive ol presomomes ) radial and determinate

Question

29. Whick of the Selilowing in derigtive ol presomomes ) radial and determinate cleavage, blastopore becomes nouth, schisecoelous B) pumping of waitr ine a cell C) Dew ofwer betwees ells Weter censervation in plants is assisted by A) the cuticle 30 transgiration ) both A andC Momata. 32. The haploid stage in a plant fe cycle is called entry? 33. A swim bladder allows a fish Al regalate its water content in seawater C) regulate its salt content in frestwater 34. The monotremes are clasaified as mammals because they 8) are carshares C) tolerate changes in water pressure 0) have mammary glands E)give birth to Dve yea rather than lay eggs. a5. A Characteristic of hominidsis A) larger brain D) monogany E both A andB C) nighttime activity 36. Mest Cnidarians A) exist only as medusa in their life cycle 6) exist only as polyps in their life cycle. ) encyst when they encounter adverse environmental conditions. D) altemate between a polyp and a medusa during their life cycle E) none of the above.

Explanation / Answer

29) Which of the following is descriptive of protostomes?

B) Spiral and determinate cleavage, blastopore becomes mouth, schizocoelous development.

30) Which of the following is an example of osmosis?

D) Both A and B

31) Water conservation in plants are assisted by:

E) Both A and C

32) The haploid stage in a plant life cycle is called:

C) Gametophyte

33) A swim bladder allows a fish to:

D) Control its buoyancy in water.

34) The monotremes are classified as mammals because they

D) Have mammary glands

35) A characteristic of hominids is

E) Both A and B

36) Most cnidarians:

D) Alternate between a polyp and a medusa during their life cycle.

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