Answer: The frequency at which new species emerge and are lost over evolutionary time is established by the rates of speciation and extinction.
Speciation and Extinction are two opposite phenomena. Speciation results in formation of a new species whereas extinction results in the loss of a species. Both of these phenomena affect species biodiversity.
What is Speciation and Extinction rate?
Speciation is the evolution of a new species. The opposite of speciation is extinction, which is the loss of a species. Two organisms can be considered as same species when the two organisms can successfully reproduce and produce a fertile offspring.
The rates of speciation and extinction tells about the frequency at which new species arise or lost from ecosystem over evolutionary time. Characteristics of species which undergo speciation include being highly specialized to a particular environment, existing in isolated population, and a low population abundance.
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Which form of sperm is fully matured?
spermatozoa
spermatid
spermatocyte
A
Answer:
(A) fully matured sperm is spermatozoa
Explanation:
edg2021
Compare and contrast major depression with dysthymia depression.
Major depression and dysthymia depression are similar in certain ways, however, there are some key differences.
Major depression and dysthymia:Depending upon the time one may feel a lack of energy and hopelessness, one may have dysthymia or major depressive disorder. Dysthymia generally known as persistent depressive disorder comprises lesser symptoms, however, they last longer, that is, for about two years.
On the other hand, one can be diagnosed with major depressive disorder if one is exhibiting symptoms for two weeks. Both are mood disorders.
Depressed mood is the one symptom, which is common in both kinds of depression. Some of the symptoms shown in both depression forms are:
Problems sleepingLoss of appetiteLow self-esteemFeelings of hopelessnessDifficulty in making decisionsOne can be diagnosed with dysthymia if one is exhibiting at least two of the above symptoms along with depressed mood, however, the symptoms will last for two years.
On the other hand, in major depressive disorder, the person would be experiencing the majority of the symptoms mentioned, which would last for at least two weeks.
Thus, both major depression and dysthymia are similar in some ways, however, having some essential differences.
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What is asexual reproduction? reproduction that requires two cells for fusion reproduction that requires two gametes for fusion reproduction that requires one cell that copies itself reproduction that relies on fertilization
Answer:
Asexual reproduction occur when an oganism makes more of it self without exchanging any genetic information with another organism through sex
Answer:C
Explanation:Edugeneuity
when's the best time to do homework?, i usually try to work on hw later, is it better to just do it right when you get home? I'm trying to be more productive
Answer:
Yeah, you should do it right after school so u have free time later and don't try to procrastinate if u do it late
Answer:
everyone's different. for me doing it right after i get home is best bc I'm still productive, and as time goes on I get lazier, so if I were u, Id try doing it earlier and then you can relax later instead of worrying about ur work
[tex]2 {?}^{2017} - {?}^{2018}[/tex]
Answer:
Explanation:
ya how do you do that
Which term best describes a diet designed to help control a medical condition?
eat a vegetable and proper exercise
Why do you think that quinoa is classified as a grain even though it is a seed? What does it share in common with grains? With seeds?
Answer:
they grow and provide food for living things
Explanation:
What are 5 ways that Skeletal Muscles are named by?
Answer:
coracobrachialis.
biceps brachii.
brachialis anticus.
triceps brachii.
anconeus.
Explanation:
These include naming the muscle after its shape, its size compared to other muscles in the area, its location in the body or the location of its attachments to the skeleton, how many origins it has, or its action.
hope this helps
Coracobrachialis and biceps brachii and brachialis anticus and triceps brachii, anconeus.
What is Skeletal muscles?The whole body weight is made up of 30 to 40 percent skeletal muscles. They are the muscles that attach to your bones and give you the range of motion and abilities.
Since skeletal muscles are voluntary, you have control over when and how they contract.
Skeletal muscles make up the majority of your body's muscles. They account for 30 to 40 percent of your body's bulk. Tendons, which are powerful bands of connective tissue, join the skeletal muscles in every part of your body to the bones. Skeletal muscles include your abdominal muscles, hamstring muscles, and shoulder muscles.
Therefore, Coracobrachialis and biceps brachii and brachialis anticus and triceps brachii, anconeus.
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You have noticed that Raquel, an exchange student, sits very close to her friends when they are talking together. What is the MOST LIKELY explanation for this behavior?
1. Raquel doesn’t want other people to hear what she is saying to her friends.
2. Raquel speaks with a strong accent, and her friends sit close to hear her better.
3. Raquel is hard of hearing and needs to sit close enough to hear her friends’ speech.
4. Raquel comes from a culture where people in conversation sit or stand close together.
Answer:
The answer is 4
EDIT: I WAS WRONG IT'S 1 ;-;
Evan gets a C in history, so he
becomes determined to get an A in
math.
What defense mechanism is Evan
using?
A. projection
B. compensation
C. denial
Answer:
B.compensation ✓
A and C is ×
Which characteristic describes one way a gang is identified?
the ages of people who belong to a group
the type of homes that people in a group own
symbols that group members use to identify who they are
the type of criminal activity that group members engage in
Answer:
Symbols that group members use to identify who they are
Explanation:
Answer:
Symbols that group members use to identify who they are
Explanation:
edg 2021
Can a restaurant be shut down for making sick(contagious) employees come to work even if they wear a mask and gloves?
Answer: Depends on the state/country but where i live yes
Explanation:
Which of the following foods can help prevent infections?
A. avocado
B. yogurt
C. potato
D. honey
Explanation:
S I'm pretty suture sorry if I'm wrong
The only 100% effective way to avoid contracting STDs is sexual abstinence before marriage and monogamy after marriage.
True or False
Answer:
True
Explanation:
Using the information provided about each health-related component, consider
the following scenario. Alaiyah is a junior who hates PE class. She always figures
out a way to avoid participating in activities and exercises during class because
she is afraid others will make fun of her. She is overweight and hates sweating
because it messes up her hair. Alaiyah knows her family has a history of high
blood pressure and diabetes, but she isn't sure where to start her journey.Write
2-3 sentences encouraging Alaiyah about things she can do to improve her self-
esteem and participation in class
Answer:
She can start by doing it at home, then when she is getting more confortable she can slowly start at school, alot of people go through that so she shouldn't feel alone , she should exersice on her own time and also at school , she can tie her hair up so she doesnt get sweat on the ends.
Explanation: