They have a single organization.
<span>Three anatomical features that birds share with their theropod ancestors are:
</span><span>1. they had light, hollow bones
</span>2. they rearranged hip and leg muscles because this of <span>improved bipedal movement
</span>3. they had their flight oriented with the use of wings for balance
Answer:
b plants take carbon dioxide from the air
.............................b
Answer: See below
Explanation: Urban communities center around the city. A city is usually divided into the ‘old city’ which consists of historical buildings or architecture and then, the ‘new city’ which consists of modern buildings, skyscrapers, offices, apartment-style homes and the general buzz that surrounds city life. Living in the city can be a lot of fun and provide one with a comfortable and safe lifestyle. At the same time, there are several disadvantages to city living – costs are higher, pollution is more and the continuous fast pace of life may be detrimental for one’s health. However, as with every community, city life is exciting and engaging and one needs to experience it at least once.