4. Diversity in living organisms(9)

Organisms in a species can interbreed.

Refer to question 2.

Refer to question no. 8

Kingdom Animalia is characterized by eukaryotic and heterotrophic organisms.

 The phylum Arthropoda is huge in terms of both numbers of species and in terms of numbers of individuals

Whittaker proposed the five kingdom system of classification.

The word binomial suggests, the name of a species is made of two parts: one indicating the genus and one indicating the species

fact

Mouth parts of cockroach are based upon its eating habits and therefore biting and chewing type.

Order of classification is KingdomPhylum, Class, Order, Family, Genus, Species.

Artificial system includes the ordering of organisms into groups on the basis of non-evolutionary features.

Megasporophyll is the female sexual part which is equivalent to carpel or pistil.

Agaricus is mushroom.

Hydrophytes grow in water. Mesophytes growin moderate conditions. Epiphytes are weeds.

“Origin of Species” is a world of scientific literature.

Clitellum is a thickened glandular and non-segmented section of the body wall near the head in earthworms and leeches

chitinous exoskeleton is made up of chitin which is a type of carbohydrate.

Refer to question no. 13.

Radial symmetry is basically the regular arrangement of body parts around a central axis.

Invertebrate is a subphylum of kingdom Animalia.