Which characteristics do hookworms and tapeworms share? check all that apply.

a. they are types of roundworms.

b. they are parasitic.

c. they have a digestive system.

d. they cause diseases in humans.

e. they have nerve cells.

f. they can be used to treat illnesses.

The answer is; B and D

Tapeworms (Cestoda) are called flatworm (Platyhelminthes) while hookworms are roundworms (Nematodes). Both are parasites and live within the intestines of animals and feed on the nutrients digested in the organ. When these worms migrate to other parts of the body, they cause complications, The more of this parasite one has the heavier the symptoms they will exhibit – such as asthma-like symptoms.  

B. They are parasitic.

D. They cause diseases in humans.

Explanation:

Worms are known and classified in Biology as Helminths. They are invertebrates which means they do not have backbones.

Helminths(worms) vary in their body shapes. Some are long, Some have a round shape while some are flat.

Some helminths have a digestive tracts while some do not. Some are hemaphrodites while some are bisexual.

Helminths are parasitic organisms and when found in body of animals, they tend to attach themselves to internal organs such as the digestive tracts of humans. They can cause illness in the body.

Types of Helminths include: Round worms, Tape worms, flukes, flatworms e.t.c.

a) carbon, hydrogen

b) carbon, hydrogen, oxygen, nitrogen

c) carbon, hydrogen, oxygen, nitrogen, phosphorus

d) sugar

e) amino acid

f) nucleotide