Answer:
heterogenous
Explanation:
homogenous gor same allels
Cephalochordata is the subphylum that retains all chordate characteristics, even in the adult forms.
Answer:
A mnemonic code
Explanation:
A mnemonic code is a memory aid so as to memorize or remember something.
It is code that helps to recall the information it represents easily.
For example :
ATM for Any time cash machine
or VIBGYOR to remember the colors in a rainbow.
To specify instructions these are widely used in computer programming and communications system operations.
The definition to parasitism is "the practice of living as a parasite in or on another organism." (Wikipedia). Therfore the answer to this is Ticks live on and drink blood from a cow, because this is the only option where an organism is living directly off another organism.
Hope I was most helpfull to you!
