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
Naily [24]
3 years ago
10

At what stage of human development would you expect to first see a beating heart?

Biology
2 answers:
lutik1710 [3]3 years ago
8 0

Answer:

c

Explanation:

I just did it on khan

IRINA_888 [86]3 years ago
6 0

at what stage of human development wuold you exept to first see abeating heart? <u>the</u><u> </u><u>answ</u><u>er</u><u> is</u><u> </u><u>ç</u>

You might be interested in
How many hydrogen bonds can a single water molecule form
VashaNatasha [74]
4 single water molecules
7 0
4 years ago
Two populations of birds with somewhat different coloration live on opposite sides of a peninsula. The habitat between the popul
yarga [219]

Answer:

D) habitat isolation

Explanation:

Based on the information provided within the question it can be said that the main factor that keeps the two populations separate would be habitat isolation. This occurs when the different unique characteristics or preferences of the population's habitats prevent them from mating with those with different habitat preferences, thus maintaining them separate.

8 0
3 years ago
Which of the following are examples of sensory input. Select all that apply.
fredd [130]

Answer:

The correct answers are options a. "vision" and c. "hearing".

Explanation:

Sensory input is defined as anything that could be perceived by your senses, such as smell, sight, touch, taste, and hearing. Sensory input is the response of a sensory organ to the stimuli received from the outside. Vision and hearing are two examples of sensory input, where the eyes and the ears receive the stimuli from the light and the sound waves received from the outside.

3 0
3 years ago
How do you use a Punnet Square?
kvasek [131]
Place the father's alleles on the top of the Punnett square<span> with one letter above each box. Place the mother's alleles on the left hand side of the </span>square<span>, with one letter in front of each box. Be sure to </span>use<span> capital letters for the dominate genes and lower case letters for the recessive alleles.</span>
8 0
3 years ago
What is the relationship between the biodiversity of an ecosystem and its
chubhunter [2.5K]

Answer:

B. A biodiverse ecosystem harbors many interactions, thus a  disturbance may impair some interactions, but not all.

Explanation:

Biodiversity is the variation of life forms in an environment. This is as a result of available nutrient and energy to support the various life forms.

  • The relationship between biodiversity and rebound from disturbance is such that a biodiverse ecosystem is able to resist any change.
  • The disturbance might affect proportion of the populace. But on the long organisms can survived and be propagated again.
7 0
3 years ago
Other questions:
  • What are the similarities between cartilage and bone?<br><br> (It is a short answer question)
    9·1 answer
  • How many calories are provided by a food that contains 29 grams of carbohydrate, 6 grams of protein, and 1 gram of fat?
    6·1 answer
  • Which of the following elements is most important for respiration? carbon oxygen hydrogen nitrogen
    7·2 answers
  • Active transport ________. uses atp as an energy source can involve the transport of ions can move solutes against their concent
    7·1 answer
  • A teacher gave the lab group shown below an “unsafe practice” warning. What is most likely the basis for the teacher’s warning?
    14·2 answers
  • Match each word with its synonym
    15·2 answers
  • A food that is high in calories and could be used for energy storage in animals is MOST LIKELY high in
    8·2 answers
  • Complete the sentence to describe the similarities and differences between amylose and cellulose. Match the words to the appropr
    5·1 answer
  • When would a forest be sustainable?
    10·2 answers
  • The function of transverse tubules is to a. rapidly move action potentials to the interior of the muscle fiber. b. conduct ATP m
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!