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
yawa3891 [41]
3 years ago
5

Evolutionary relationship between modern frogs and ancient frogs?

Biology
1 answer:
Lana71 [14]3 years ago
4 0

When did frogs evolve? Frogs developed out of lungfish about 375 million years ago, in the Devonian period. They used their lungs to leave the water and live on land

You might be interested in
Why does the hatchery not use formaldehyde to clean eggs<br> i need it fast please
almond37 [142]

Answer:

Losses due to microbial contamination of hatching eggs in the poultry industry can run into millions of Euros. Fumigation with formaldehyde gas is an effective way of disinfection before and during incubation as well as near hatching. In addition, formaldehyde is also hazardous to human health.

Explanation:

Hope this helps!!!!!

Forever friend and helper,

Cammie:)

7 0
3 years ago
Which of the following statements is CORRECT?a. A hypothesis that does not generate a testable prediction is not useful.b. Commo
Fofino [41]

Answer:

a. A hypothesis that does not generate a testable prediction is not useful.

Explanation:

In the scientific method, we generate a hypothesis to explain a phenomenon. After this, it is necessary to create a method to test the hypothesis and make predictions. Moving forward, we test this methodology, generating results and reject or not reject the hypothesis. If the hypothesis can't be tested, the scientific method can't be applied.

4 0
3 years ago
What is the chemical indicator for sugar and what is a positive result look like
frez [133]

Answer:

Benedict's solution is the indicator for sugar which is made up from copper sulfate and sodium hydroxide

the positive result is the observation of brick-red precipitate.

3 0
3 years ago
The best way to be sure that experimental results are vaild
Bogdan [553]
To check your answer at least twice
4 0
3 years ago
Which of the following maps would a geologist use to study the effects of farming on lakes over time?
Semenov [28]
I would say an "Altitude Tint Map" or a "Mercator Projection Map".
Hope this helped!
5 0
3 years ago
Other questions:
  • Which allele combination represents a male who has an x-linked recessive disorder
    9·1 answer
  • 25) When does the synaptonemal complex disappear?
    10·1 answer
  • Which of the following levels of organization is lower than the population?
    14·1 answer
  • which era characterized by the extinction of reptiles and the appearance of mammals is considered significant in geological hist
    14·1 answer
  • Which statement does not apply to the human egg
    11·1 answer
  • Read each of the sentences that describe what happens either during mitosis or meiosis. Drag each sentence into the correct box.
    13·1 answer
  • What is the species name for humans?<br> A. Homo<br> B. Erectus<br> C. Carolus<br> D. Sapiens
    10·1 answer
  • Most archaeologists believe that the __________ was one of the earliest centers of plant and animal domestication.
    8·1 answer
  • Why is medical care important in animal husbandry ?
    12·1 answer
  • Match the following terms
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!