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bogdanovich [222]
4 years ago
11

The experimental results could be made more valid by... 1) increasing the number of students. 2) using a plastic clothespin. 3)

using safety precautions. 4) making a bar graph of the data.
Biology
1 answer:
quester [9]4 years ago
5 0
3) using safety precautions
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Describe how traits are inherited through traits sexual Reproductions <br><br> WILL MARK AND 5 STARS
timurjin [86]

Answer: sexual reproduction is the union of male and female gametes to form a fertilized egg, or zygote. The resulting offspring inherit one half of their traits from each parent. The process where haploid sex cells are created from diploid parents is called meiosis, and it occurs only in the reproductive organs.

Explanation:

i have advanced so this is what i got right

5 0
3 years ago
What is stage 2 of mitosis
Alenkasestr [34]

Answer:

Metaphase

Explanation:

Metaphase is when the sister chromatids line up in the middle with fibers attached to each end.

7 0
3 years ago
A student examining leaf cross sections under a microscope finds many loosely packed cells with relatively thin cell walls. The
Ghella [55]

Answer:

The answer is spongy mesophyll.

Explanation:

Between the upper and lower epidermis of a leave, you can find the so called mesophyll tissue which is rich in chloroplasts. There are two types of mesophyll tissue: the palisade and the spongy mesophyll. Whereas the cells of the palisade mesophyll are tightly packed, the cells of the spongy mesophyll are loosely packed.

3 0
3 years ago
Evolution is one of the unifying themes of biology. Evolution involves change in the frequencies of alleles in a population. For
lapo4ka [179]

A Mutation occurring in the population will change the allelic ratio.

<h3>What is evolution?</h3>

Evolution refers to the changes that occurs in organisms over a long period of time such that those changes results in new species better adapted to their environment and having higher specialization.

One of the factors of evolution is mutation.

According to the Hardy-Weinberg principle, the allele and genotype frequencies of a population of organism in equilibrium will remain constant in the absence of evolutionary influences.

Therefore, if a mutation occurs in the population, the allelic ratio will change.

Learn more about Hardy-Weinberg principle at: brainly.com/question/1365714

3 0
3 years ago
What essential protein is involved in the breaking and linking of monomers?
Leno4ka [110]
The linking of monomers is the loss of water and its called condensation reaction.
The breaking of monomers is the gain of water and its called hydrolysis.
Idk if a protein is involved.
6 0
3 years ago
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