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ankoles [38]
2 years ago
15

Pls help! I’m trying to bring my grades up by turning in all my missing assignments but I’m very confused on this.

Biology
1 answer:
butalik [34]2 years ago
3 0

Answer:

A is the answer

Explanation:

Certain cultural practices can prevent or reduce insect crop damage. These include destruction of crop residues, deep plowing, crop rotation, use of fertilizers, strip-cropping, irrigation, and scheduled planting operations.

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The picture shows an organ system in the human body. What do these organs do in the human body?
olga2289 [7]

The organs represented in the image are the Brain, nerve, and spinal cords that monitor and react to changes in the body and its environment.

<h3>What are Organs?</h3>

Organs may be defined as an assemblage of tissues that structurally construct an operational unit specialized to accomplish a distinct operation and functions in the body of a living organism.

The nerves function in sending and receiving signals to the brain from external stimuli. They give the perception of feeling pain, relaxation, stress, etc to the brain according to the situations.

The complete question is as follows:

The picture shows an organ system in the human body.

Brain, Nerve, and spinal cord.

What do these organs do in the human body?

  • They filter pathogens and dead cells out of lymph before it returns to the blood.
  • They monitor and react to changes in the body and its environment.
  • They release hormones that control the activities of cells and organs.
  • They identify and destroy things that are foreign or harmful to the body.

Therefore, the correct option for this question is B, i.e. They monitor and react to changes in the body and its environment.

To learn more about Organs, refer to the link:

brainly.com/question/1126526

#SPJ1

5 0
1 year ago
The energy in fossil fuels comes from _____.
sertanlavr [38]

Answer:

C

Explanation:

7 0
2 years ago
Read 2 more answers
3. What eventually stops the spread of the virus in the host?
WINSTONCH [101]

Answer:

white blood cells

Explanation:

8 0
3 years ago
Read 2 more answers
Heyy
Free_Kalibri [48]

1. Bees, flies, wasps, butterflies, and moths are significant insect pollinators. Moths are drawn to white flowers that are open at night, but bees and butterflies are drawn to brilliantly colored blooms with powerful scents that are open during the day.

<h3>What is pollination?</h3>

The act of moving pollen grains from an anther to a flower's stigma is called pollination. Flowers that are pollinated by insects typically generate a sweet nectar that the insects visit to consume. If a flower is self-pollinating, fertilization occurs when pollen stock from an insect contacts the stigma of the bloom. If the bug is bisexual, it will fly to another bloom and disperse the pollen.

2. Most flowers advertise themselves by being brightly colored and perched on long stems so they wave in the air and are closer to where insects are flying, as opposed to on the ground, where they would otherwise be. A flower's petal sizes and shapes, in addition to color, can draw insects.

3. Flowers draw insects because of their aroma or vibrantly colored petals. Nectar is a delicious liquid that many flowers generate that is consumed by insects. The female part of the flower is the carpel.

Answer 2. Flowers that are pollinated by insects have characteristics that enable insects, birds, or other animals to pollinate them while consuming the nectar. When an insect brushes by the stigma of a flower, whether it is the same bloom or another, pollen grains will adhere to the insect's outer layer and stick to the flower's stigma, pollinating the flower. When the two seˣ cells combine, fertilization occurs, the ovule develops into a seed, and the ovary becomes a fruit. The pollen grain then grows a pollen tube down the style to reach the ovary, which contains the ovules.

For more information regarding pollination, visit:

brainly.com/question/20563422

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6 0
2 years ago
Two plants differ in the seed color they produce. One plant produces green seeds, the other produces yellow seeds. Yellow is the
Akimi4 [234]

Answer:

Genotype: 100% or 4/4 of the progeny will be heterozygous for the trait, Yy.

Explanation:

<u>Available data:</u>

  • Two plants differ in the seed color they produce.
  • One plant produces green seeds, the other produces yellow seeds.
  • Yellow is the dominant phenotype, over green which is the recessive phenotype
  • The parental plants are true-breeding

Let us say that the allele Y expresses yellow color and is dominant over the allele y which expresses the green color and in the recessive one.

Cross: a green-seeded plant with a yellow-seeded plant

Parental)                 YY             x             yy

Phenotype)   Yellow seeds            Green seeds

Gametes)           Y      Y                        y        y

Punnet square)      Y            Y

                     y       Yy            Yy

                     y        Yy            Yy

F1) Phenotype: 100% of the progeny will be yellow-seeded

  Genotype: 100% or 4/4 of the progeny will be heterozygous for the trait

7 0
2 years ago
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