Explanation

Human blood is red because hemoglobin.

It is carried in the blood and functions to transport oxygen.

It is iron-rich and red in color.

Octopuses and horseshoe crabs have blue blood.

This is because the protein transporting oxygen in their blood, hemocyanin, is actually blue.

Explanation

Spirogyra, Volvox, and Chlamydomonas are all examples of green algae.

These organisms are known for containing chlorophyll, the primary pigment for photosynthesis, and are simple, aquatic, and autotrophic. 

Explanation

Explanation

 Bats are nocturnal animals.

This means they are primarily active at night and sleep or rest during the day. 

Kingdom: Animalia

Phylum: Chordata

Class: Mammalia

Clade: Scrotifera

Clade: Apo-Chiroptera

Order: Chiroptera

Explanation

Cephalopods—squid, octopus, and cuttlefish—are marine molluscs with large, complex brains and highly diverse behavior