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
meriva
3 years ago
12

How many species have internal skeletons?

Biology
2 answers:
Paladinen [302]3 years ago
6 0

6.2 skeletons, there are 3 different types there is hydrostatic, endoskeletons and exoskeletons

MariettaO [177]3 years ago
4 0

The human skeleton is the internal framework of the body. It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together

You might be interested in
The National Academy of Sciences reported that the Earth's surface temperature has risen by about 1 degree Fahrenheit in the pas
musickatia [10]

Answer:

Global warming is the unusually rapid increase in Earth's average surface temperature over the past century primarily due to the greenhouse gases released by people burning fossil fuels.

6 0
3 years ago
The area in the brain that reduces hunger when it is activated is the
Jet001 [13]
Ventromedial hypothalamus
5 0
3 years ago
Which description of synapses is not correct? which description of synapses is not correct? second messengers can activate gene
LiRa [457]
The incorrect among the choices is "<span>direct signaling involves the activation of g proteins"

This is incorrect because direct signaling does not involve the activation of g proteins rather it involves the activation of ion channels resulting to either an excitation reaction (depolarization of the membrane) or an inhibition reaction (hyperpolarization of the membrane); and this will ultimately affect the action of the organ the nerve is innervating.</span>
8 0
3 years ago
Read 2 more answers
Lesson 3 Ce x
Verizon [17]

Answer:

the answer is "B"

Explanation:

8 0
3 years ago
NEED HELP ANSWER QUICKLY :)
Usimov [2.4K]

Answer: It’s definitely not D. I’m thinking A or C

Explanation:

Because survival of the fittest mean that the ones that aren’t the best will die basically. So that why it’s not D

5 0
3 years ago
Read 2 more answers
Other questions:
  • Photosynthesis in a plant leaf is an example of an open-system operation. <br> a. True <br> b. False
    7·1 answer
  • How many atp molecules are produced per molecule of glucose during the cellular respiration processes of glycolysis.?
    15·1 answer
  • HELP ME PLEASE!!!!!
    15·1 answer
  • Why might dinosaurs have become extinct
    5·1 answer
  • What is the relationship between dna and chromosome?
    10·1 answer
  • Both plants and animals share two broad characteristics of what?
    12·1 answer
  • What do two different neutral isotopes of the same element have in common?
    10·2 answers
  • Look carefully at the model. Plants take in and release carbon dioxide. Plants require carbon dioxide for the process of
    13·2 answers
  • Which structures are common to both plant and animal cells? Check all that apply.
    11·2 answers
  • Identify the types of genetic recombination.
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!