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yKpoI14uk [10]
3 years ago
15

One characteristic that distinguishes a population in an extinction vortex from most other populations is that:________.

Biology
1 answer:
Juli2301 [7.4K]3 years ago
8 0

Answer:

D - Its genetic diversity is very low

Explanation:

An extinction vortex can be defined as the process which populations in decline pass through to drive them into a vortex of smaller populations, endangering their survival as they tread the path to extinction.

Populations that fall to extinction vortex already have small populations which is usually as a result of certain powerful genetic factors, which cause the populations to continue to decline in size.

During genetic drift which occurs in all populations, small populations tend to lose genetic diversity as a result of the random nature of gamete sampling.

This is because any change in alleles in a small populations can have dastardly effects on the populations size due to a small gene pool.

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g Electron flow down the electron-transport chain leads to the transport of proteins: Group of answer choices from the matrix to
guajiro [1.7K]

Answer:

from the intermembrane space to the matrix

Explanation:

In the electron transport chain (ETC), electrons flow from one protein complex to another. However, as this electrons are transfered, protons (H+) is built up from the intermembrane space of the mitochondria to the mitochondrial matrix.

Hence, according to this question, a proton gradient is formed when hydrogen ions (H+) are moving from the intermembrane space to the matrix of the mitochondrial.

5 0
3 years ago
What is the temperature shown on the thermometer?
VLD [36.1K]

Answer:

22

Explanation:

the thermometer goes by 2

3 0
3 years ago
Read 2 more answers
A small bird gathers pollen and nectar for food, but at the same time is
Angelina_Jolie [31]

Answer:

Mutualism

Explanation:

In biology, the term <em>symbiosis </em>refers to close and often long-term interactions between organisms that belong to different species. There are three main types of symbiotic relationships:

  • mutualism - both organisms benefit from their relationship
  • commensalism - one organism benefits, while the other doesn't benefit or suffer any harm
  • parasitism - one organism causes harm to the other

In the given scenario, both the bird and plant benefit from their relationship. The bird gets food, while the plant reproduces more easily. This is why their relationship is an example of mutualism.

7 0
3 years ago
Who was one of the first people to identify and observe cells from cork?
Aloiza [94]

Answer:

The first person to observe cells was Robert Hooke. Hooke was an English scientist. He used a compound microscope to look at thin slices of cork.

Explanation:

Sorry if I am wrong let me know if I am.

7 0
3 years ago
Adults with more than a 12-month history of migraines were assigned randomly in a double-blinded study to receive treatment with
lyudmila [28]

Answer:

Phase III

Explanation:

The given condition fall in the trial phase (Phase III) of cinical study which aims to:

- Determine drug's effectiveness (primary goal)

- Determine long-term drug safety

- Confirm findings

In Phase III, randomised, double-blind, placebo-controlled, parallel group study is majorly to evaluate the efficacy and safety of placebo in episodic migraine prevention in children (6 to < 12 years of age) and adolescents (12 to < 18 years of age).  

The trial consists of four phases: screening; double-blind therapy period for 24 weeks in which placebo or Erenumab is given to subject as dose 1, dose 2 or dose 3 (based on the participant's body weight) once a month via subcutaneous injection; optional dose level blinded extension phase (40 weeks) which involves subjects recieve dose1, 2 and 3 of placebo, and at last it follows a safety follow-up phase for 12 weeks (after 16 weeks  of the last dose of investigational drug).

Hence, the clinical phase is phase III.

5 0
3 years ago
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