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pickupchik [31]
3 years ago
14

. What is the spinal cord?

Biology
2 answers:
snow_tiger [21]3 years ago
6 0

Answer:The spinal cord is a long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column. It encloses the central canal of the spinal cord, which contains cerebrospinal fluid.

coldgirl [10]3 years ago
5 0

Answer:

the cylindrical bundle of nerve fibers and associated tissue which is enclosed in the spine and connects nearly all parts of the body to the brain, with which it forms the central nervous system.

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What is the difference between an egg from a bird in a baby from a mammal
g100num [7]

Answer:

the difference is that its bigger

Explanation:

its bigger because birds are much smaller than mammals and they dont have as big as bones like mammals

4 0
2 years ago
Some students believe that if they drink a glass of milk before bed and would make them sleep longer what’s the independent vari
miss Akunina [59]

Answer:

Independent variable: Glass of milk

Dependent variable: Time of sleep

Control variable: same type of milk

Explanation:

Independent variable in an experiment refers to the variable that the experimenter manipulates or changes in order to get a response in another variable (dependent). In this case, the independent variable is the GLASS OF MILK taken before bed.

Dependent variable is that variable that is measured in an experiment. It is the variable that responds to the changes made to the independent variable. In this experiment, the dependent variable is the TIME OF SLEEP of the students.

A control variable or constant is the variable that is kept unchanged throughout the course of the experiment in order not to alter the outcome of the experiment. In this experiment, a control variable can be the SAME TYPE OF MILK taken by each student.

6 0
3 years ago
Which of the following may display two different grain sizes?
GaryK [48]
 The answer is A:<span> Metamorphic rocks</span><span> may display two different grain sizes.</span>  :)
3 0
3 years ago
Biology help please i will upvote
jok3333 [9.3K]
Any options love ?
if not ik some of them
7 0
3 years ago
All individuals have two alleles for a given trait. According to Mendel's ____________, these alleles are passed down one each f
nata0808 [166]
The correct answer for this question is A. Law of segregation.

All individuals have two alleles for a  given trait. According to Mendel's Law of segregation, these alleles are passed down one each from both mother and father.  

Explanations;
According to this law of segregation the allele pairs separate or segregate during the formation of gamete, during the process of meiosis, leaving each cell with a single allele for each trait, and randomly unite during fertilization. One pair of allele comes from the mother while the other pair comes from the father, and joins together to form a diploid cell. Therefore, organisms inherit two alleles for each trait one from each parent. 
5 0
3 years ago
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