vibrissae (whiskers), long tail--maintain balance, two teeth sticking out
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.
Rat poo
rat
The brown rat, also known as the Norway rat, is generally larger than the black rat, also known as the roof rat. Brown rats can weigh up to 500 grams, while black rats typically weigh around 150 grams.
i am not a rat artist but you can name it a Oreo rat
a rat is hairy
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.
its an external scope
morphology for plants
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.
Little Rat Island and Big Rat Island, located off the coast of Maine, are named for their sizes and the presence of rats. Big Rat Island is larger and features a more diverse ecosystem, while Little Rat Island is smaller and less developed. The names reflect the common practice of using descriptive terms to identify geographic features. Both islands are part of a group of islands in the Atlantic, contributing to their unique characteristics and histories.
Why study rat's internal and external structures? "For the pure sake of learning new things", could be one answer. We need to study external and internal structures of a rat in order to acquire correct knowledge about rats. Now for a selfish answer. Since human beings are so much like rats, when we know something more about rats, we nearly always have learned something about ourselves. More so in the past, but still today, we have less moral dilemna in doing testing on rats than on our fellow human beings. In other words, we are willing to cage them, perform experiments that cause irritation, great discomfort or death to a rat that we feel compelled not to when testing ideas with humans. We generally feel that it is immoral to give a human a condition and then to experiment with it. However, we generally don't feel that it is so immoral to give a rat a condition and then to subsequently try to experiment with it. The rat in this last context is a model of a human. what surprises most people is how good a model a rat has been to us. In other words, we are a lot like a rat.
External features are things you can see on your face such as your nose ,eyes,hair, lips,etc.
Principal features: As for FTA .Common external tariff on goods imported from outside.
because the rat is very close to the human body and to assist the learning student with identification of these structures and systems