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
True [87]
3 years ago
12

Entre as características evolutivas que diferenciam as gimnospermas das pteridófitas, estão a:

Biology
1 answer:
dolphi86 [110]3 years ago
8 0

Answer:

66666666666666666666666

Explanation:

me gusta gay

rkfnvkfng666

You might be interested in
What parts of chemistry are most important to environmental science ?
polet [3.4K]

Answer:

how to help people that helps

7 0
3 years ago
Diffusion, movement of particles across a membrane is driven by differences in
stepan [7]
A concentration.

In cells, there are two types of transportation of needed organic compounds. The active and passive transport.
The active transport requires energy or ATP while passive doesn't. Further, diffusion, a passive transport transfers compounds from higher to lower concentrations. 
3 0
4 years ago
What happens when the nucleus has unorganized DNA
Illusion [34]
I’m pretty sure it dies down
8 0
4 years ago
What is a barrier island
Mkey [24]

A Barrier Island is an island parallel to the coastline that protects the shore from erosion.

8 0
4 years ago
Preparing the body for the "fight-or-flight" response is the role of the ________.
den301095 [7]

Answer:

The correct answer is a. sympathetic nervous system.

Explanation:

The sympathetic nervous system involves the rapid involuntary response called fight and flight response during stress conditions. In a stressful condition, our body parts give signals to the hypothalamus which stimulates the sympathetic nervous system of the body.  

The activated sympathetic nervous system then stimulates the release of a hormone called adrenalin and nor-epinephrine from the adrenal gland. These stress hormone together with neural activity give rise to fight and flight response.  

During this response our mind becomes alter, breathing becomes deep, heart rate becomes high, pupil diabetes, and excess sweating occurs. Therefore the correct answer is a.

6 0
3 years ago
Other questions:
  • Which choice describes DNA after replication has taken place
    8·1 answer
  • Hwo are eukaryotic cells diffrent from prokaryotic
    10·1 answer
  • King, coho, and silver are subspecies of what fish?
    10·1 answer
  • Which finding is the best evidence that genetics plays an important role in determining intelligence?
    11·1 answer
  • A company has several factories around the world and has decided to transition from burning fossil fuels to using alternative en
    14·1 answer
  • What happens to the density of water as its salinity increases?
    6·2 answers
  • Suppose unattached earlobes are a dominant trait. Phil and Maggie both have unattached earlobes but their daughter, Celia, does
    6·1 answer
  • True or False - Just like mitosis, meiosis involves one division of the nucleus and cytoplasm
    11·2 answers
  • What happens to the medium when a wave moves?
    7·2 answers
  • What is the allele combination for a person with an incompletely dominant trait?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!