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
kakasveta [241]
3 years ago
15

Question 25 2 pts

Biology
1 answer:
Brrunno [24]3 years ago
3 0

Answer:

Endothermic since it takes place in the egg :)

You might be interested in
Where is found mitochondria?
Alina [70]
Mitochondria are found in all body cells.
7 0
3 years ago
Read 2 more answers
Please help due today!!<br> Brainliest given !!
Misha Larkins [42]

Answer:

The theory of evolution first formulated in Darwin's book is the process by which organisms change over time as a result of changes in heritable physical or behavioral traits that allow them to better adapt to its environment, survive and have more offspring.

Ernst Mayr divided Darwin's theory into 5 unique parts.

Ernst Mayr divided Darwin's theory into 5 unique parts.Evolution as such

Along with Buffon and Lamarck, Darwin supported the ability of species to change over time.

Common Descent

Darwin felt that all of the diversity of life on earth emerged out of the evolution from one or a few common ancestors.

Gradualism

While Lamarck felt that species-wide change could take place within the span of a few generations, Darwin felt evolution was a much slower process, taking place in innumerable small steps.

Population Speciation

This portion of Darwin's theory states that within a population, change in a species occurs as the balance of hereditary characteristics shifts across that population. This differs from Lamarck's idea that each individual in the population must undergo the same change. According to Lamarck, all giraffes living under tall trees would develop long necks. According to Darwin, some would randomly be born with long necks, this hereditary trait would gradually spread throughout the population.

Natural selection

Natural selection is often called the most unique part of Darwin's theory. Competition had been thought of as a reason that a given species might succeed or go extinct, but Darwin extended the understanding to change within a species. To continue the example of giraffes: when a giraffe is born with a longer neck than its fellows, it gains an advantage because it is able to reach more food. The long-neck giraffe is therefore stronger, lives longer, and more likely to have offspring. These offspring are born with the same long neck as their parent, though some might have even longer necks.

Returning to the example in the figure, in the first generation the application of the pesticide causes the death of most of the non-resistant insects: only those resistant to the pesticide survive. These insects reproduce and maintain their resistence so that the second generation will be more resistant than the first. So we have Natural selection, speciation, gradualism and evolution in act all together.

5 0
2 years ago
What appears to be the role of sirna in destroying the target mrna upon which it and its associated proteins act? it cleaves the
Romashka-Z-Leto [24]
<span>siRNA guides the RISC that cleaves the target mRNA. siRNA binds to its target mRNA due to its complementarity.</span> <span>Small interfering RNA (siRNA) has a function in RNA interference, which means it causes gene silencing through repression of transcription. siRNA together with some proteins (like Argonaute) form the RISC. When siRNA recognize the target mRNA it causes degradation of mRNA and thus silencing the gene that encodes that mRNA.</span>
8 0
3 years ago
1. Which statement describes one difference between mitosis and meiosis in animal cells? A. Mitosis produces haploid cells, and
Lemur [1.5K]
1.b
2.D
3.D
4.D
5.A
6.
7B
8.A
8 0
2 years ago
Read 2 more answers
HOW IS AIR PRESSURE USED TO PREDICT WEATHER?PLZ ANSWER I HAVE TO TURN MY HW IN TOMORROW
kkurt [141]
Well-adjusted barometer can help you predict changing weather day to day because it detects minute changes in the air pressure.
6 0
3 years ago
Read 2 more answers
Other questions:
  • Which fungal group commonly forms 50% of mycorrhizal relationships?
    14·1 answer
  • Distinguish between directional, stabilizing, and disruptive selection. Give examples.
    6·1 answer
  • In a certain plant, tall stems (t) are dominant to short stems (t). a farmer crosses a short-stemmed plant with a heterozygous l
    5·1 answer
  • What 2 things are produced by neutralization
    8·1 answer
  • 1. What is the name for the process in which DNA→RNA
    8·1 answer
  • The process of changin phycical stimulus to neural stimulus
    15·2 answers
  • Erosion affects what types of land forms?
    11·2 answers
  • Which organism below has a problem in maintaining cellular electrolyte and fluid balance in its environment? Select one:
    13·1 answer
  • Someone help please !
    12·1 answer
  • Which organisms store some of the molecules from food in their bodies 15 points
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!