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
Harlamova29_29 [7]
3 years ago
14

Need help with 2 science 10 questions (20 points)

Biology
1 answer:
viva [34]3 years ago
5 0
A) Alternation of environment.
B)Have reserves/national parks protecting these creatures, and also counting them as extinct creatures so they can be protected more.
You might be interested in
Match the nerve with examples of parasympathetic effector organs it innervates
Molodets [167]

Answer and explanation;

1) CN III (Oculomotor) -Ciliary muscles

2) CN VII (Facial) -Lacrimal glands

3) CN X (Vagus)  -Thoracic and abdominal viscera

4) Pelvic Splanchnic Nerves -Most pelvic viscera

Explanation;

The oculomotor nerve is the third of 12 pairs of cranial nerves in the brain. This nerve is responsible for eyeball and eyelid movement.

-Facial nerves; Sensory fibres are concerned with taste via the taste buds at the front of the tongue.  Motor fibres control secretion of tears via the lacrimal glands and saliva via the sublingual salivary glands as well as facial expressions via some of the muscles of facial expression.

Vagus nerve; Stimulates voluntary muscles that effect swallowing, coughing and speech (conscious control).Stimulates the contraction and relaxation of smooth muscle in the gastrointestinal tract. (unconscious control).


6 0
3 years ago
Can someone please help me!
kkurt [141]
The answer is C.

It is the site of gas exchange in the lungs.

Gas exchange occurs only in alveoli. Alveoli are made of thin-walled parenchymal cells, typically one-cell thick, that look like tiny bubbles within the sacs. Alveoli are in direct contact with capillaries (one-cell thick) of the circulatory system.
5 0
3 years ago
How is genetic expression regulated?
jarptica [38.1K]
It regulates on/off like a light switch
7 0
3 years ago
Dark energy is a term used to describe
mariarad [96]
B the origin of new matter in the steady state theory???

8 0
3 years ago
What is the difference between a pupa and the adult stage of a butterfly?
olga_2 [115]

Answer:

What is the difference between a pupa and the adult stage of a butterfly?

Adult butterfly has reaches its maximum growth stage while pupa is still growing and will develop into caterpillar before metamorphosing into adult butterfly, Adult has colorful wings while pupa stage does not

Explanation:

5 0
3 years ago
Other questions:
  • Which structures does a single celled organism need for movement
    15·2 answers
  • Compare your forearm, palm, wrist, and fingers to a neuron. in such an analogy, the dendrites would be your:
    14·1 answer
  • Which part of the cell functions specifically to help in cell division?
    11·2 answers
  • Hydrogen bonds are part of what important molecules in organisms?
    15·1 answer
  • Which organelles are found in only plant cells??
    14·2 answers
  • When explaining the probability of assignment to trial arms in consent forms, which is true?A. FDA requires the probability to b
    10·1 answer
  • HELP PLEASE!!!!!! I WILL MARK THE BRAINLIEST!
    13·1 answer
  • (i’ll mark brainliest) ✨
    11·2 answers
  • When did globalization begin rapidly increasing?
    11·1 answer
  • C cells of the thyroid gland secrete __________. C cells of the thyroid gland secrete __________. tetraiodothyronine cortisol ca
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!