Question

Write two points of differences between:-

(1) Platyhelminthes and Nemathelminthes

(2) Algae and fungi

(3) Non-chordates and Chordates

(4) Gymnosperms and Angiosperms.

Answer 1

(1)

Platyhelminthes	Nemathelminthes
Platyhelminthes have a flattened body shape.	Nemathelminthes have a round body shape
Acoelomate.	Pseudocoelomate.

(2)

Fungi	Algae
Fungi are heterotrophic.	Algae are autotrophic.
Cell wall is made up of chitin.	Cell wall is made up of cellulose.
The reserve food is glycogen.	The reserve food is starch.

(3)

Chordates	Non chordates
Notochord is present at some stage of life.	Notochord is absent.
Both endoskeleton and exoskeleton are present.	Mostly exoskeleton is present.
Pharyngeal gill slit is present.	Pharyngeal gill slit is absent.

(4)

Gymnosperms	Angiosperms
Gymnosperms are non-flowering plants.	Angiosperms are flowering plants.
Gymnosperms have naked seeds not enclosed inside fruits.	Angiosperms have seeds enclosed inside the fruit.
Reproductive structures are cones.	Reproductive structures are flowers.