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
Vsevolod [243]
3 years ago
12

If a mammal gives birth to live animals, how is a monotreme a mammal if it lays eggs? This has been confusing me for the past 30

minutes
Biology
1 answer:
natka813 [3]3 years ago
8 0

Answer:

In some ways, monotremes are very primitive for mammals because, like reptiles and birds, they lay eggs rather than having live birth. In a number of other respects, monotremes are rather derived, having highly modified snouts or beaks, and modern adult monotremes have no teeth.

You might be interested in
Why are highland regions considered a climate region
wlad13 [49]
They get different weather patterns than a jungle, flatland, prairie, or taiga. it's just it's own thing.
6 0
3 years ago
Why can scientists not always divide a period into epochs
Savatey [412]
<span>Too little is known about pre-Archean time, from the origin of Earth to 3.8 billion years ago, to divide that period into units.</span>
3 0
3 years ago
Read 2 more answers
The brain of an alzheimer's victim displays plaques, which are _____, and tangles, which are _____.
pav-90 [236]

Scientists can also glimpse the awful effects of Alzheimer's disease when they look at brain tissue beneath the microscope:

Alzheimer's tissue has numerous fewer nerve cells and synapses than a well brain.

<span> <span>Plaques, unusual clusters of protein particle, which are construct up between nerve cells.</span> </span> <span> <span><span>Dead and dying nerve cells contain tangles,</span> which are produce of twisted strands of a further protein.</span> </span>

<span>Scientists are not absolutely sure what causes cell death and tissue deficiency in the Alzheimer's brain, but plaques and tangles are key suspects.</span>

3 0
3 years ago
¿Qué importancia tiene el agua en las reacciones químicas?
vladimir1956 [14]

Answer:

El agua es un medio ideal para reacciones químicas, ya que puede almacenar una gran cantidad de calor, es eléctricamente neutral y tiene un pH de 7.0, lo que significa es que no es ácida ni básica. Además, el agua participa en muchas reacciones enzimáticas como agente para romper enlaces o, al eliminar de una molécula, para formar enlaces.

Explanation:

8 0
3 years ago
A polygenetic trait is controlled by
Genrish500 [490]

\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the Concept of the Genes.

Basically a Polygenetic trait is controlled by two or more genes.

Examples of human polygenic inheritance are height, skin color, eye color and weight. Polygenes exist in other organisms, as well.

8 0
3 years ago
Other questions:
  • The ____________ synthesizes proteins for secretion out of the cell and for utilization in the cell.
    15·1 answer
  • An astronomer observes a planetary object
    5·1 answer
  • Which is true of low resistance wires?
    5·1 answer
  • What are the 4 basic steps for DNA extraction?
    9·1 answer
  • Allen has been studying the genetic material of dogs, to get more insight
    15·1 answer
  • 5. Why are wetlands useful?
    12·1 answer
  • Earth has a period of rotation of.....<br>A.one year<br>B.one day<br>C.one month<br>D.One week​
    14·2 answers
  • Cumulus and cumulonimbus clouds are most likely to be formed by a _______ front
    13·2 answers
  • Which is a density dependent factor?
    15·1 answer
  • Why are biofuels derived from plants?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!