Answer:
1)oxygen breather
2)number of legs
3)Asexual reproduction
(i think these are answers )
Explanation:
3)Asexual reproduction is the primary form of reproduction for single-celled organisms such as archaea and bacteria. Many eukaryotic organisms including plants, animals, and fungi can also reproduce asexually.
2)Living organisms are classified into groups depending on their structure and ... Phylum follows Kingdoms and has many different organisms, including three ... Chordata, which have backbones; Arthropod, which have jointed legs
1) Based on oxygen requirement, organisms are classified into four types: 1. Aerobes are capable of growing at full oxygen tension and many can tolerate elevated levels of oxygen (greater than 21%). Microaerophiles are aerobes that can use oxygen if only it is present at reduced levels in air.
I hope this helps a little bit.