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Types of Fertilization in Organisms

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Questions and Answers

What is the main difference between fragmentation and binary fission in organisms?

Fragmentation involves an organism breaking into a new organism, while binary fission does not.

Fragmentation only involves specific body parts breaking off, while binary fission involves the whole organism splitting. (correct)

Fragmentation requires actively dividing cells, while binary fission does not.

Fragmentation forms a completely new organism, while binary fission creates a new organism.

In parthenogenesis, how does an individual develop?

By undergoing sexual reproduction with separate sexes.

By breaking down into fragments and regenerating.

By combining haploid reproductive cells from two individuals.

By developing from an unfertilized egg. (correct)

What is a characteristic of hermaphroditism in animals?

One animal has both male and female reproductive parts. (correct)

Humans cannot exhibit hermaphroditism.

It only occurs in aquatic organisms.

It always results in two offspring.

How are separate sexes determined in humans?

By the type of chromosomes present (XX for male and XY for female). Signup and view all the answers

What determines the sex of avian species like birds?

Sex is determined by the z and w chromosomes. Signup and view all the answers

What is a notable phenomenon related to sex in turtles?

Turtles exhibit sex reversal frequently. Signup and view all the answers

What is the term for organisms that are female first?

Protogyny Signup and view all the answers

In what type of fertilization does spawning occur?

External Fertilization Signup and view all the answers

Which reproductive mode involves the fertilized eggs being laid outside the female's body?

Oviparity Signup and view all the answers

What is the term for the type of fertilization that occurs inside the female's body?

Internal Fertilization Signup and view all the answers

Where does the embryo obtain nourishment in ovoviviparity?

From the egg's yolk Signup and view all the answers

What is the function of the scrotum in male reproductive anatomy?

Supports the testes Signup and view all the answers

What hormones are secreted during the menstrual cycle that block GnRH production and cause the endometrium to further develop?

Estradiol and progesterone Signup and view all the answers

Which type of animal mostly feeds on plants like deer, cow, buffalo, and grasshoppers?

Herbivores Signup and view all the answers

What type of animals feed on the remains of plants, animals, and fecal matter?

Detritivores Signup and view all the answers

In animal nutrition, what is the relationship called when an organism (parasite) lives on the body or surface of another organism (host)?

Parasitism Signup and view all the answers

Which type of animal nutrition involves obtaining food from dead and decaying matter?

Saprophytic Signup and view all the answers