Explanation

The estrous cycle is the reproductive cycle observed in many non-human primates.

It involves periods of sexual receptivity (estrus) during which the female is fertile and can conceive

Explanation

In humans, the type of implantation is endometrial implantation,

which occurs when the embryo embeds itself into the lining of the uterus (endometrium).

Explanation

When one harmful species resembles another harmful species, it is known as Müllerian mimicry.

This type of mimicry involves two or more harmful or poisonous species evolving to look alike, reinforcing the avoidance behavior in predators.

Explanation

Kangaroos belong to the infraclass Metatheria, which includes all marsupials.

Metatherians are mammals that give birth to relatively undeveloped young

they are mostly found in Australia and the Americas.

Explanation

Oviparous mammals are those that lay eggs instead of giving birth to live young.

The most well-known oviparous mammals belong to the group called monotremes.

Monotremes, such as the platypus and echidna, are the only group of mammals that lay eggs.

They are found primarily in Australia and New Guinea.

Explanation

Crocodiles have homodont teeth, meaning all their teeth are similar in shape and function.

Homodont teeth are uniform and do not differ in type like incisors, canines, or molars.

Explanation

The lineage of reptiles that includes dinosaurs is now extinct.

Dinosaurs were a diverse group of reptiles that dominated terrestrial ecosystems during the Mesozoic Era.

They went extinct around 66 million years ago at the end of the Cretaceous Period

Explanation

A group of the same species living together in a particular area forms a population

Explanation

When a harmless species mimics the appearance of a more harmful or poisonous species to avoid predators, it is known as Batesian mimicry.

This form of mimicry helps the harmless species gain protection from predation by resembling a species that predators avoid.

Explanation

When the same species of insect gives rise to different forms or varieties due to adaptation to different environments or ecological niches,

it is referred to as polyphenism.

Polyphenism is the occurrence of multiple distinct forms (phenotypes) within a single species depending on environmental conditions or other factors.