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Leto [7]
2 years ago
14

Describe major trends in the evolution of life on Earth seen over geologic time supported by fossils

Biology
1 answer:
Aleks [24]2 years ago
8 0

Answer:

Fossils are the preserved remains or traces of animals, plants, and other organisms from the past. Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today

Explanation:

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On the graph to the right, indicate which curve corresponds to each type of chlorophyll. Which curve corresponds to chlorophyll
vladimir1956 [14]

Answer:

First question - Green curve

Second question - Red curve

Explanation:

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3 years ago
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Describe how the body uses negative feedback to regulate body temperate.
myrzilka [38]

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7 0
2 years ago
Base your answer on the chemical equation shown in the diagram below and on your knowledge of biology.
Nastasia [14]

Answer:

The correct option is;

A, B, and C, only

Explanation:

The amino group is the functional group of the form CH-NH₂ consisting of single bonds formed between hydrogen atoms, aryl groups, alkyl groups or two or more of such groups combined together bonded with a nitrogen atom. An amine is an organic compound that has an amino group in its composition or structure

Therefore, the amino group can be found in the molecules of A, B, and C only.  

8 0
2 years ago
Duration of hypotension before initiation of effective antimicrobial therapy is the critical determinant of survival in human se
nydimaria [60]

The goal is to find out how often effective antimicrobial therapy is delayed after the start of persistent or recurrent hypotension in septic shock and how this affects mortality.

Design: A cohort research that was conducted in retrospect between July 1989 and June 2004.

Setting: Ten hospitals (four academic, six community) and fourteen critical care units (four medical, four surgical, and six combined medical/surgical) located in Canada and the United States.

Patients: The 2,731 adult patients with septic shock listed in their medical records.

Measurements and key findings: Survival to hospital discharge served as the primary outcome indicator. A survival percentage of 79.9% was found when an antibiotic efficacious for isolated or suspected infections was administered within the first hour of verified hypotension. Over the following 6 hours, each hour of antibiotic delivery delay was linked to an average 7.6% decline in survival. When compared to obtaining treatment within the first hour after the beginning of persistent or recurrent hypotension, the in-hospital mortality rate was considerably higher by the second hour (odds ratio 1.67; 95% confidence range, 1.12-2.48). The single best predictor of outcome in multivariate analysis (which included Acute Physiology and Chronic Health Evaluation II score and treatment factors) was time to the start of effective antimicrobial therapy. It took 6 hours on average to start effective antimicrobial therapy (25-75th percentile, 2.0-15.0 hrs).

Conclusions: In adult patients with septic shock, effective antibiotic therapy during the first hour of confirmed hypotension was related with enhanced survival to hospital discharge. Only 50% of patients with septic shock got efficient antimicrobial therapy within 6 hours of being diagnosed with proven hypotension, despite a steady rise in fatality rate with increasing delays.

<h3>What is septic shock?</h3>

Septic shock is a potentially fatal illness that develops after an infection when your blood pressure drops to an unsafely low level. The infection might be brought on by any kind of bacterium.

To learn more about septic shock with the help of given link:

brainly.com/question/4235870

#SPJ4

7 0
1 year ago
In pure water a red blood cell from an animal will swell and burst but a leaf cell from a plant will not.Which structure in the
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Cell wall is the structure in the leaf cell that is responsible for this difference.

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3 years ago
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