How did the first railroad cars move on the rails? steam engines horses sails

b. The similarities in the body structure, between living organisms of a given category, at the early stages of development, and the different application of the body structures as they grow

Explanation:

1. The concepts given in the paragraph are;

i) Studies in fossil observation, indicates that a difference exist in the fossils of living organisms at different historical times

ii) The similarities observed in form of existence of animals of a particular type at a given stage is an indication of common ancestry

iii) The arrangement of body parts of animals having different body structure, indicates that the animals have a common ancestries

The true statement is therefore;

b. Animals that develop with the same pattern share a common ancestor

2. The evidence that supports the theory of evolution are;

a. The existence of significant difference between the past and present living organisms is observable by the study of fossils

b. The similarities of the early stages of animals with backbone and the differences in the functions of the bones while still being in the same order of arrangement.

5 0

3 years ago

Anya got $12 for her birthday. She considers buying a DVD of her favorite movie for $11. She also thinks about buying a new T-sh

mafiozo [28]

Here we have two different decisions. Opportunity cost of buying the CD and not buying the DVD is 1: ($11-$10). And opportunity cost of buying the CD and not buying the new T-shirt is 4: ($14-10). Opportunity cost is the difference between the value of the option chosen and the value of the best option not made. If the option I choose gives me a benefit of 10 but there is an alternative option offered by 12, the opportunity cost is 2.

7 0

3 years ago