Connective tissue extracellular matrix is composed of

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3

Which if the following best describes why invertebrates isn’t considered a scientifically valid word when classifying animals