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Kruka [31]
3 years ago
13

What are the three pressures that lead to biodiversity

Biology
1 answer:
Sergio039 [100]3 years ago
3 0
1. Immigration
2. Emigration
3. Extinction events

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1 out of every 5 pounds of an average adult's body weight is fat. what percent of body weight is fat?
podryga [215]
1 out of 5 is 1/5.
Divide that and you get .20, which is 20%, so that is your answer, 20% fat.
5 0
3 years ago
What are two human reproductive cells made by meiosis
Helga [31]

Answer: These cells are our sex cells – sperm in males, eggs in females. During meiosis one cell? divides twice to form four daughter cells. These four daughter cells only have half the number of chromosomes? of the parent cell – they are haploid. Meiosis produces our sex cells or gametes? (eggs in females and sperm in males).

Explanation:

6 0
3 years ago
Read 2 more answers
Que son las variables de control y experimentales en el metodo cientifico
kirill [66]

Answer:

Una variable de control (o constante científica) en la experimentación científica es un elemento experimental que es constante y sin cambios durante el curso de la investigación. ... Las variables de control en sí mismas no son de interés primario para el experimentador.

Explanation:

8 0
3 years ago
Polydactyly is an autosomal dominant trait in which affected individuals have more than five fingers and/or toes. If a pedigree
bija089 [108]

Answer:

Reduced penetrance or incomplete penetrance

Explanation:

Penetrance refers to the extend which a certain gene or set of genes is expressed in a population.

It can be complete where there is expression of the gene in a population having it.

Whereas, in reduced penetrance is where the mutation is not expressed in every individual in the population having it.

For instance polydactyly exhibits reduced penetrance since the parents had the mutation it was not expressed it came to be expressed on their pedigree.

6 0
3 years ago
Cerebrospinal fluid is produced by the
nikklg [1K]

Answer: Option A "Choroid plexus".

Explanation:

Cerebrospinal fluid can be defined as the fluid that is found in the brain and spinal cord of human beings. It is a clear and colorless fluid.

The production of cerebrospinal fluid takes place by the specialized ependymal cells that lies in the choroid plexuses which is present in the  ventricles of brain.

The amount of cerebrospinal fluid in a day is 500mL. This fluid acts as cushion that protects the brain from mechanical and immunological protection.

Hence, the correction answer is option A

7 0
3 years ago
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