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tatiyna
3 years ago
14

Microbial cells first evolved on earth approximately ________ billion years ago.

Biology
1 answer:
melamori03 [73]3 years ago
7 0
Answer: <span> 3.8 to 3.9 billion years ago


</span>
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Which terrestrial biomes are both dependent upon periodic severe drought and/or fire?
Elis [28]

Grassland terrestrial biomes are both dependent upon periodic severe drought and/or fire.

Terrestrial biomes are ecosystems that can be found anywhere on earth that has a similar climate pattern and are not necessarily close to one another. Tropical forests are an illustration of a terrestrial ecosystem. Forests, grasslands, deserts, and tundra are some of the different biome types found in the terrestrial environment. There are eight main terrestrial biomes: temperate grasslands, temperate forests, boreal forests, Arctic tundra, and tropical rainforests, savannas, subtropical deserts, and chaparral.

The grassland biome consists of terrestrial areas where grasses predominate and there aren't many big trees or bushes. Temperate grasslands, tropical grasslands (sometimes called savannas), and steppe grasslands are the three main types of grasslands.

To know more about terrestrial biomes refer to:  brainly.com/question/9901718

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5 0
1 year ago
Three-year-old children typically have relatively large heads, while 6-year-old children have relatively longer, thin bodies. Th
Oksanka [162]

Answer:

Cephalocaudal

Explanation:

The cephalocaudal principle is known as the general process of physical and motoric development which take place from infancy into toddlerhood and at times at early childhood of which development obeys a head-to-toe progression.

Cephalocaudal is a word that connotes head to toe. Therefore, the cephalocaudal principle is stated as the overall process of development observed in the first set of years in postnatal development majorly with the period from infancy into toddlerhood.

The cephalocaudal principle has to do with both physical and functional development. On the basis of the earliest (i.e., physical development), physical growth in size, weight, and feature differentiation obey this process or form of development. The signs of this is well observed in a contrast of the physical characteristics of an infant In contrast to a toddler. In consideration of the latter, the head is mostly disproportionately big in contrast to the other parts of the body. By the time the preschool years is over for most children, it is well noticed that most must have done away with this top heavy appearance just as seen in our question.

3 0
3 years ago
I don’t understand this I need help
Paha777 [63]

Answer:

3,2,1,4

Explanation:

as time goes on the water levels rise it expands the bay of the river

4 0
2 years ago
How is it possible that functionally infinite variations of antibodies can be made from one set of genes?
Degger [83]
The practically boundless varieties of antibodies can be produced using one arrangement of qualities is introns and exons take into account one quality coding to really code for a wide range of antibodies. Amid the procedure of RNA grafting, introns are evacuated and exons joined to frame a bordering coding succession.
4 0
3 years ago
How a mutation in the DNA could affect the proteins made by the cell
julia-pushkina [17]

A mutation in DNA affects the entire protiens synthesis process by producing the incorrect amino acids in the wrong places, causing issues with the ability of the organism to survive depending on what the protein is in charge of.

3 0
3 years ago
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