1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sladkih [1.3K]
3 years ago
9

A biologist studying alpine wildflowers notices that two populations of similar species are able to occupy the same niches. Howe

ver, species A is mostly found at lower altitudes, while species B is mostly found at higher altitudes. What has most likely caused the realized niches of these two wildflower populations to be smaller than their fundamental niches? A. Competition has restricted the ranges of both species. B. The species are involved in a mutualistic relationship. C. Species A is capable of growing faster than species B. D. Species B requires fewer resources than species A.
Biology
2 answers:
garik1379 [7]3 years ago
8 0

Answer:

Option A, Competition has restricted the ranges of both species

Explanation:

When two species which depend on the exactly same kind of resources, get into a mode where they prefer to stay in two different ecosystems without interfering each other’s circle and thus they get excluded from each other due to competition. This phenomenon of the ecosystem is called Competitive exclusion

According to Gause's Law of competitive exclusion two species which are competing for similar kind of resources are unable to stay together.  

Hence, option A is the correct choice.

Serga [27]3 years ago
4 0

Answer:

A. Competition has restricted the ranges of both species.

Explanation:

<em>The most likely cause of the realized niches of the two wildflower populations to be smaller than their fundamental niches is </em><em>competition</em><em>.</em>

The fundamental niche of an organism represents the entire resources and area an organism has given that there are no limiting factors within the environment.

The realized niche of an organism represents the resources available and the area an organism has due to limiting factors within the environment, especially competition for resources and spaces.

<em>The realized niche results from competition for resources within the fundamental niche. Hence, they are usually smaller than the fundamental niche of an organism.</em>

The correct option is A.

You might be interested in
The column on the far left of the periodic table contains the
Tomtit [17]

Answer:

Alkali metals........

4 0
2 years ago
Agriculture led to an increase in the size of the human population. Which of the following was the most important impact of agri
klemol [59]

Answer:

The answer is the first option.

Explanation:

Farming emerged because being a nomad was no longer suitable for increasing population size. Farming allowed people to stay in one place and properly feed their families, which was a definite positive impact on population size.

8 0
3 years ago
The Q are 1. Emma is a 26-year-old professional woman who maintains her weight at 140 pounds by following a lacto-ovo vegetarian
bearhunter [10]

Answer:

Question 1

a) What is Emma’s recommended daily protein requirement? 50.4 grams

b. What percentage of Emma’s current total energy intake comes from protein?

13.33%

Does it fall within the recommended range in terms of the percentage of total energy intake?

Yes it does fall within the recommended range in terms of the percentage of total energy intake which is 10 - 35%

c. Emma is concerned about her intake of the essential fatty acid omega-3. Can you suggest for her two food items that she can include in her diet?

i. Walnuts

ii. Flaxseeds.

Question 2

2. Rank the following oils/fats according to the ease with which they would spoil, and explain how you arrived at your conclusion: coconut oil, flaxseed oil, olive oil.

According to the ease of spoilage:

Flaxseed oil – Coconut oil – Olive oil

Explanation:

a) What is Emma’s recommended daily protein requirement?

RDA of protein for adults is given as 0.8 g per kilogram of body weight of 0.36 per pounds of body weight.

Therefore, Emma's recommended daily protein intake is calculated as:

Her body weight in pounds × 0.36

Emma's body weight = 140 pounds

140 pounds × 0.36

= 50.4 grams.

Therefore, Emma’s recommended daily protein requirement is 50.4 grams of protein.

b. What percentage of Emma’s current total energy intake comes from protein?

Since 4 calories is the energy received from 1 gram of protein

In the question, we are told that Emma takes a daily intake of 40 grams of protein.

Therefore,

1 gram of protein = 4 calories

40 grams of protein =

40 × 4 = 160 calories.

The Lacto Ovo vegeterian diet, Emma is on gives her 1200 calories per day.

Hence, the percentage of Emma’s current total energy intake comes from protein is calculated as:

(Emma's daily energy in calories from protein ÷ Daily energy in calories supplied by her Lacto ovo vegetarian diet) × 100

= (160 calories ÷ 1200 calories) × 100

= 13.33%

c.

Omega -3- fatty acids are fatty acids that are very good for the body. Even though they are fatty acids, they do not clog the arteries thereby helping in preventing the occurrence of heart disease. They also lower the blood pressure in the body.

Foods that contain omega -3- fatty acids are fatty fish such as Salmon, Mackerel as well as nuts and seed like Walnuts, Flax seeds ( Flax seed oil).

Emma is concerned about her intake of the essential fatty acid omega-3. Can you suggest for her two food items that she can include in her diet?

Since Emma takes nuts, 2 food items she can include in her diet that are rich in Omega-3 fatty acids are:

i. Walnuts

ii. Flax seeds

2. Rank the following oils/fats according to the ease with which they would spoil, and explain how you arrived at your conclusion: coconut oil, flaxseed oil, olive oil.

According to the ease of spoilage:

Flaxseed oil – Coconut oil – Olive oil

Flaxseed oil spoils more easily than coconut oil and coconut oil spoils easily than Olive oil. This is based on their exposure to heat.

When heated up, Flaxseed oil breakdown more easily , followed by coconut oil.

Coconut oil has the tendency to become cloudy after been stored for a while.

This is why even though we can use but Flaxseed and Coconut oil for cooking , Olive oil is still the best because it has the tendency to withstand a large amount of heat and it is heat stable as well as more stable at even room temperature.

8 0
3 years ago
Scrivi tutti gli isomeri dell’esano
MaRussiya [10]

Answer: i cinque isomeri possibili per l'esano sono n-esano, 2-metil pentano, 3-metil pentano, 2, 3-dimetilbutano e 2, 2-dimetilbutano. - 2-metil pentano è anche chiamato isoesano. - 2, 2-dimetil butano chiamato anche Neoesano.

Explanation:

7 0
2 years ago
All hormones are made wither from cholesterol or amino acids <br> a. True<br> b. False
viktelen [127]

Answer:

True

Explanation:

There are two type of hormones:

- Steroids, which are synthesized by chemichally modifying cholesterol

- Peptidic hormones, which are proteins, and as such, are made with aminoacids.

8 0
3 years ago
Other questions:
  • You apply 100.0 n of force to a machine. The machine applies 20.0 n of force to the load. What is the mechanical advantage of th
    11·1 answer
  • How do breathing passages help keep pathogens out of the body?
    13·1 answer
  • What characteristic makes osmosis different from diffusion?
    12·2 answers
  • Sensation is? ____a. process by which our sensory receptors take in stimulus energy from our environment. ____b. process of neur
    7·1 answer
  • The portion of the brain that controls body temperature, thirst, appetite, and water balance is the
    15·1 answer
  • Which of the following are characteristics of arthropods? 1. Protostome development 2. Bilateral symmetry 3. A pseudocoelom 4. T
    7·1 answer
  • What is the most important property of water?
    7·2 answers
  • 11. Directions, identify the correct rock type in the diagram below.
    10·1 answer
  • How do Euglena and sperm cells use flagella?
    13·1 answer
  • The light reaction requires
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!