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Inga [223]
2 years ago
15

Which of these disorders is an open sore on the lining of the digestive tract?

Biology
1 answer:
Gwar [14]2 years ago
6 0

Answer:

your answer is letter D or ulcer

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Systolic blood pressure is the amount of pressure that blood exerts __________
andrey2020 [161]

Answer:

while the heart beats

Explanation:

Blood pressure of the heart is the pressure by which heart pumps blood through the arteries. Since the blood flow through the heart and arteries is pulsatile, there are two heart blood pressures: systolic and diastolic blood pressure. Normal systolic pressure is about  120 mmHg.

Diastolic blood pressure is the pressure of the blood between heartbeats (when heart is not active, relaxed). Normal diastolic blood pressure is about  80 mmHg.

3 0
3 years ago
The caregiver of a 4-year-old girl who lives in a heavily wooded area calls the clinic nurse to report that the child has a swol
marta [7]
Taking the child to a doctor for treatment for the tick bite so the child doesnt get sick.
7 0
3 years ago
What is natural selection?
Helen [10]
"Natural selection<span> is the differential survival and reproduction of individuals due to differences in </span>phenotype<span>. It is a key mechanism of </span>evolution<span>, it is a change of </span>heritable traits<span> in a </span>population<span> over time"</span>
8 0
3 years ago
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Fats are a primary example of which class of biomolecule? *
dedylja [7]

Answer:

Lipids

Explanation:

Lipds are fats

Have a good day

Give me brainiest if possible

6 0
3 years ago
In sweet pea, red flower color is controlled by two genes involved in the anthocyanin pathway, A and B. Both genes are required
Alex787 [66]

Answer:

The dihybrid ratio we expect in the offspring is 9:7.

Explanation:

This is an example of complementary gene interaction, which is the non allelic interaction or genes, where the prominent genes at heterozygous loci may complement each other by complementing recessive alleles at the respective loci.

So in this case of  complementary gene interaction, the individuals that are A-bb or aaB- or aabb will have the same set of observable features (phenotype) but only A-B- individuals will how the dominant phenotype.

4 0
3 years ago
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