Fatty acids vary in their degree of saturation or unsaturation due to their number of :Double bonds
Any occurence of extra chromosones is due to genetic mutation/disorders.
Answer:
circulatory and respiratory
Explanation:
The body system of Birds possesses a higher arrangement of organs to perform a particular function. The organs form a system which includes the organs and associated structures.
When the biologist observed the shortage of the dissolved oxygen and increase in the level of dissolved carbon dioxide, this could be the result of the failure of the circulatory system which supplies these gases on the body and the associated respiratory system which helps in the exchange of these gases with the atmosphere.
Thus, circulatory and respiratory is the correct answer.
A. proteins
they play many critical roles in the body, and are required for cell structure, function, and regulation of body tissues and organs :)xx
The simple sentence is c. <span>animal testing is a cruel way to advance the progress of science.
You can classify simple and complex sentences by the number of verbs in it
You can see, in the other sentences, that they have two conjugated verbs and they have words like "because", "and" it's like they are giving more than one information:
</span><span>a.<u>because</u> animal testing is so cruel, it should be stopped immediately.
b. the practice of animal testing should be stopped <u>and</u> the labs dismantled.
c.animal testing is a cruel way to advance the progress of science.
d.animal testing is cruel <u>because</u> animals suffer horrible deaths.</span>