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dlinn [17]
3 years ago
9

Match each gymnosperm to its correct description. plzzz help me reeee​

Biology
1 answer:
Nataly [62]3 years ago
4 0

Answer:

Explanation:

Ginkgoes lose their leaves in autumn

Cycads look like a palm tree

Gnetophytes grow in deserts and rain forests

Conifers make up the largest group of gymnosperms.

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How does the villis aid in absorption​
Ad libitum [116K]

Answer:

The villi in the small intestine provide a large surface area with an extensive network of blood capillaries. This makes the villi well adapted to absorb the products of digestion by diffusion and active transport.

Explanation:

4 0
3 years ago
Is this true or false?
pogonyaev

Answer:

True

Explanation:

Fungi are heterotrophic since they obtain their nutrients through external sources.

Plants are autotrophs since they can produce food for themselves by drawing in nutrients from the soil and use they process of photosynthesis  to create glucose.

Both Fungi and Plantae have cell walls.

3 0
3 years ago
You are testing whether temperature has an effect on the breaking point of rubber bands. You take one rubber band and put it in
prisoha [69]
Independent variable: Temperature 
Levels: Room temperature
Freezing point 0C
Boiling point 100C

Dependent variable: breaking point of rubber bands measured in certain amount of temperature
6 0
3 years ago
An electrocardiogram (ECG) provides information about ________. A. the pressure of blood in the heart chambers B. the rhythm of
mario62 [17]

An electrocardiogram (ECG) provides information about B) the rhythm of heart contractions

The rhythm of heart contractions can be known by an electrocardiogram (ECG).

An ECG or Electrocardiogram is a method to diagnose the heart conditions to check the normal functioning of the heart.

The process to measure the electrical signals of the heart can be done by using this machine.

In this technique, three leads are attached to both the wrist and the left ankle to measure the electrical activity of Heart. The rhythm of the heart contraction and relaxation can be used to find out any heart abnormality.

It is used to investigate the heart problems associated due to bad health or some chronic inflammation affecting the functioning the body. Shortness of breath or nausea is investigated by using an ECG machine to help the patient and doctor to find out the cause.

It consists of QRS complex which measures the heart beat.

Learn more about Heart here, brainly.com/question/16566688

#SPJ4

3 0
1 year ago
One g of fecal matter was suspended in 99 ml saline solution (tube 1). After mixing gently but thoroughly, one ml from tube 1 wa
malfutka [58]

Answer: the cfu/g Gram-negative bacteria in the fecal sample is C = 3.0 × 10^3

Explanation:

We know that; Gram negative bacteria looks  pale reddish in color under a light microscope from Gram staining.

therefore

There are 30 red bacterial colonies counted.

1 mL of from tube 1 was removed and added to tube with 99 mL saline (tube 2) dilution is 1/100.

transferred volume  into the plate is 1 mL.

Now, we have to determine the cfu/g Gram-negative bacteria in the fecal sample

Formula to calculate CFU/g bacteria in fecal sample is expressed as;

C = n/(s×d )

where C is concentration (CFU/g) , n is number of colonies , s is volume transferred to plate , d is dilution factor.

so we substitute

C = 30 / ((1/100) × 1)

C = 30 / 0.01

C = 3000

C = 3.0 × 10^3

THERFERE, the cfu/g Gram-negative bacteria in the fecal sample is C = 3.0 × 10^3

3 0
3 years ago
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