WorksheetsAnimal Characteristics
Total questions: 10
Worksheet time: 10mins
Which of the following are found in vertebrates to support their bodies?
Backbones only
Backbones and endoskeletons
Backbones and exoskeletons
Endoskeletons and exoskeletons
Complete the table below to describe the fate of each of the three layers formed during the early development of an animal.
______________ fertilization occurs when the sperm and egg combine outside the animal’s body and it______________ a water environment.
External , does not require
External, requires
Internal, does not require
Internal, requires
If the sperm of a male parrotfish is carried away from the female’s eggs by ocean currents, which structure cannot form to begin the life of a new parrotfish?
Blastula
Embryo
Gastrula
Zygote
Use the diagram below to complete the table that follows.
Which of the following are among the general characteristics of animals? I. All animals are multicellular II. Animal cells do not have cell walls III. Some animals are autotrophs and some are heterotrophs
I and II only
I and III only
II and III only
I, II and III
Which of the following are among the ways used by animals to digest their food? I. Digestion inside certain cells II. Digestion in organs or cavities inside their bodies III. Digestion outside their bodies
I and II only
I and III only
II and III only
I, II and III
What is the process called when an animal's sperm and egg combine outside the body in a water environment?
External fertilization
Internal fertilization
External reproduction
Internal reproduction
Which of the following is NOT a general characteristic of animals?
All animals are multicellular
Animal cells do not have cell walls
Some animals are autotrophs and some are heterotrophs
All animals are autotrophs
How do animals primarily digest their food?
Through photosynthesis
By absorbing nutrients through their skin
By digestion inside certain cells or organs
By excreting the food whole
