i think that one is big and one is small
A Cockroach is an Invertebrate because it doesnt have a back bone
Black widows external features are, they are black with a red hour glass on its back.
Mammals have several different external features that make them different from other animals. Some of these features include body hair or fur, external mammary glands, and warm-bloodedness.
morphology for plants
its an external scope
it is the study of external structure of cockroach and includes-head region,mouth region,parts of legs,aperture,digestive system,circulatory system,respiratory system,reproductive system and copulation,fertilisation,ootheca formation and development
an external would be a pouch and a internal would be athe heart
'External features' means the outside parts of the thing so, for the polar bear, it will be nose, skin, legs, hands, eyes, and lips.
The plural form of the noun cockroach is cockroaches.
Principal features: As for FTA .Common external tariff on goods imported from outside.
their chitinous exoskeleton ... sensory organs like antennae , compound eyes , anal cerci (that have receptors to sense vibrations ).......... are some of important features