chapter 6 Animal Classification
Top questions
See all →- Answer the following questions by choosing correct option. Answers: a. (1) Collar cells; b. (3) Earthworm; c. (4) Star fish; d. (4) Mammalia a. Collar cells: sponges (Porifera) have special flagellat... 1
- Body temperature of reptiles is not constant. Reptiles are cold-blooded (poikilothermic) animals: they cannot regulate their body temperature, so it changes with the temperature of the s... 1
- Balanoglossus is connecting link between non-chordates & chordates. Balanoglossus is called a connecting link because it shows some characters of non-chordates and some characters of chordates. Chordate-like... 1
- All vertebrates are chordates but all chordates are not vertebrates. All vertebrates have the basic chordate features, but some chordates (urochordates and cephalochordates) do not develop a vertebral column,... 1
- Our body irritates if it comes in contact with jelly fish. Our body gets irritated because the jellyfish has stinging cells called cnidoblasts (cnidocytes) on its tentacles, which inject a toxin into... 1
- Though tortoise lives on land as well as in water, it cannot be included in class- Amphibia. A tortoise is a reptile, not an amphibian, because it does not have the main features of class Amphibia even though it can live on land and... 1