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
marin [14]
3 years ago
13

Why do researchers believe that mammals evolved such large brains, such as that of hadrocodium?

Biology
1 answer:
tresset_1 [31]3 years ago
5 0

Cause mammals are the only species that are well developed before birth unlike marsupial and monotremes

You might be interested in
How do the Earth’s physical factors influence population density? When population growth increases in an area, what is happening
aev [14]

Answer:

question 1:

  • both the number of species and population density decreases as altitude above sea level increases

question 2:

increase in birth rate => greater number of young organisms

Explanation:

As altitude above sea level increases, O2 density decreases, the amount of UV rays increases and the difference between daytime and nighttime temperature increases

7 0
3 years ago
Explain how an oil spill devastates marine life when animals get covered by the toxic sludge​
Katen [24]

Answer:

The toxic sludge covers the animals completely, and then they suffercate and dye, I don't know how else to say that

3 0
3 years ago
The nervous system releases neurotransmitters into synapses. in contrast, the endocrine system releases _______ into the bloodst
natulia [17]
Hormones

The endocrine system includes various glands in the body that are responsible for secreting hormones into the bloodstream. Hormones are chemical substances produced by the body that regulate certain functions of cells and organs. Hormones can regulate sleep, sex, growth, stress, huger, metabolism, etc. 
4 0
3 years ago
PLEASE ANSWER ASAP!!!
Len [333]

Answer:

x is the independent variable

y is the dependent variable

decrease is deer population per month

23.8333... = 23.83

8 0
3 years ago
The southernmost point to which glaciers advanced in North America is marked by the path(s) of the ____. Question 20 options: Oh
Ilia_Sergeevich [38]

Answer:

Option A,  Ohio River and the Missouri River

Explanation:

The historical evidences clearly indicate that Ohio River did not exist before the last ice advances. Before Ohio and Missouri river, the major glacier drainage of the east-west direction happens in Teays River. When ice of the glaciers blocked the Teaya river valley, then the Ohio was formed.

Like Ohio, Missouri river did also not exist before Pleistocene and during that time the largest drainage in North America take place in the Hudson's Bay

Hence, option A is correct

7 0
3 years ago
Other questions:
  • What does a eukaryotic cell have that a prokaryotic cell theory?
    9·2 answers
  • The absorption mechanism that requires a specific carrier molecule (but not energy to move digested nutrients across cell membra
    5·1 answer
  • Which of the following is generally true of an X-linked recessive pedigree?
    9·1 answer
  • Bacteria and viruses have different mechanisms and machinery to survive and replicate. Because of this, there are different ways
    10·2 answers
  • Which weathering process is mechanical?
    12·1 answer
  • The reason for the dramatic decline in the number in the number of measles cases from the 1960’s to 2010 in the United States wa
    5·1 answer
  • You will build a simulation of a population using the same elements as the simulation pictured here and show how the traits in t
    12·2 answers
  • Compare how a greenhouse and Earth's atmosphere trap heat.
    13·1 answer
  • In the chain of infection, which link in the chain is most easily broken?
    8·2 answers
  • When there is a cut in the skin and bacteria enter the body, the immune system responds. First, macrophages approach the area of
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!