Am - 7 Science English
Use the dichotomous key to identify the organism
pictured
1.a. Has smooth skin
Go to step 2.
b. Does not have smooth Roughskin
skin
newt
2. a. Has stripes on its
back
Long-toed
salamander
b. Does not have stripes Tiger
on its back
salamander
This organism is a

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals