NEW
Font size
WorksheetsAnimal Reproduction and Growth
Total questions: 18
Worksheet time: 9mins
Which of the following is a form of sexual reproduction in mammals?
Binary fission
Budding
Internal fertilization
Fragmentation
Which of the following animals can reproduce both sexually and asexually?
Dogs
Robins
Komodo dragons
Elephants
What is the main advantage of genetic variation in sexual reproduction?
It produces identical offspring.
It reduces the population size.
It increases the adaptability of the offspring.
It simplifies the genetic makeup.
Which of the following is a common courtship behavior in birds?
Hibernation
Singing
Molting
Camouflage
What parenting behavior is common among mammals but not insects?
Laying eggs
Feeding the young
Leaving the young immediately after birth
Undergoing metamorphosis
Which of the following best describes asexual reproduction?
It involves two parents.
It results in genetically diverse offspring.
It requires fertilization.
It involves a single parent.
Why do some species of fish change color during courtship?
To attract predators
To attract mates
To signal danger
To camouflage themselves
How does external fertilization differ from internal fertilization?
External fertilization occurs inside the body, while internal fertilization occurs outside.
External fertilization involves more parental care.
External fertilization occurs outside the body, while internal fertilization occurs inside.
External fertilization results in fewer offspring.
What is the main purpose of courtship behaviors in animals?
To establish dominance
To find food
To attract and select a mate
To prepare for migration
Amphibian eggs will hatch into tadpoles that need water to grow and develop.
Which factor might positively affect the growth and development of the tadpoles?
Tadpoles can grow in shallow pools of water.
The water is infected with a fungal disease.
The tadpoles are prey for dragonflies.
Which of the following is an example of a parenting behavior?
bringing food to young
performing vocalizations
dancing
splitting vertically into two pieces
Organisms pass on their genetic information to their __________________.
Stamen
Offspring
Parents
Pistil
Animal behaviors that help increase the odds of reproduction would include:
Building Nests
Herding in Groups
Vocalization (calling a mate)
All of the Above
A male peacock spreads his feathers in the near a female peahen. This behavior helps the peacock _____________.
scare off female birds.
hide from predators.
attract a mate.
find food to eat.
In animals, which gender is usually more colorful in order to attract a mate?
female
male
Selective breeding (artificial selection) results when humans breed organisms with favorable traits.
True
False
When grass is sparse due to drought, the negative impact on a herd of zebra is due to a(n) _ factor.
genetic
environmental
When conditions are very favorable, animals that can reproduce both sexually and asexually would benefit from quickly producing many offspring through
sexual reproduction
asexual reproduction
