Explanation

An invertebrate is an animal without a backbone.

Worms, like earthworms, are classified as invertebrates.

They lack a backbone and are found in various environments. 

Explanation

• Herbivores are animals that eat only plants, including leaves, stems, roots, flowers, fruits, and seeds.
• Examples of herbivores include cows, deer, rabbits, and elephants.

Explanation

Palla can be a type of fish (Hilsa herring), a genus of butterflies, or an ancient Roman garment, depending on the context. 

Explanation

• Omnivores are animals that eat both plants and animals.
• They have adaptations that allow them to digest and extract nutrients from a wide variety of food sources, including fruits, leaves, insects, small animals, and even carrion.
• Examples of omnivores include humans, bears, pigs, chimpanzees, and raccoons.

Explanation

Explanation

A hutch is a type of cage used typically for housing domestic rabbits.

Other small animals can also be housed in hutches such as guinea pigs, ferrets,

Explanation

Human blood is red because hemoglobin.

It is carried in the blood and functions to transport oxygen.

It is iron-rich and red in color.

Octopuses and horseshoe crabs have blue blood.

This is because the protein transporting oxygen in their blood, hemocyanin, is actually blue.

Explanation

Nitrogen is a key component of amino acids, the building blocks of proteins.

Thus, in plants and animals, nitrogen mainly exists in the form of proteins.

Explanation

Explanation