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tresset_1 [31]
2 years ago
8

The archaebacteria kingdom has been on earth for at least ________ years.

Biology
1 answer:
nata0808 [166]2 years ago
6 0

Answer:

Archaea are found in the harshest environments on Earth, and are the oldest known organisms on Earth, appearing in the fossil record over 3.6 BILLION years ago

Explanation:

Hope this helps!

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Some members of Daphnia, a water flea, have a genetic mutation that causes them to prefer warmer environments. These members rep
algol [13]

Answer:

A. Adaptation

Explanation:

Adaptation refers to the evolutionary process in which organisms undergo mutation or genetic change over many generations, which makes the organisms become better suited to multiply and survive in its habitat. The genetic mutation of Daphnia which makes them develop a trait that makes subsequent generations to prefer warmer environments is an example of adaptation of the organism to his environment.

7 0
3 years ago
Plants make their own food and are called producers. What do plants need to make their own food? A) soil, air and water B) soil,
djyliett [7]

Answer:

D) energy from the sun, air, and water

Explanation:

Plants are producers because they undergo photosynthesis. Photosynthesis is the process of taking sunlight, CO2, and water to produce ATP in the form of glucose and oxygen.

For plants to make their own food they require the reactants of photosynthesis. The reactants are sunlight+6CO_2 + 6H_2O. In other words, sunlight, carbon dioxide (air), and water. Without these reactants, photosynthesis cannot occur.

Things such as soil and fertilizer are helpful to a plant's growth; however, they are not required in the process that creates food for plants.

3 0
1 year ago
Read 2 more answers
When an economy is experiencing higher real interest rates, business firms will most likely be discouraged from investing in:
denis-greek [22]

Answer: specialized service

Explanation:

An economy experiencing high interest rates will have to reduce investment generally, BECAUSE higher rates increase the BORROWING and demands that ONLY investments with prospect of HIGHER RETURNS (i.e PROFITABLE) should be considered.

Thus, all options are profitable EXCEPT specialized services, as they would be considered a luxury (too costly)

7 0
3 years ago
What is true of stomata
DedPeter [7]

The surface of a leaf has many tiny pores, called stomata. The stomata allow carbon dioxide into the leaf so that photosynthesis can occur. They also allow water to leave the leaf by transpiration. Plants that grow in full sunlight usually have most of their stomata on the shaded undersides of their leaves.

5 0
3 years ago
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Books in the biography genre would include ________.
kirill [66]

Answer:

C) Books about the lives of inventors, explorers, and artists.

Explanation:

A biography is a book about a person's life that was written by somebody else. Option C) Books about the lives of inventors, explorers, and artists best fits this description. Therefore books in the biography genre would include books about the lives of inventors, explorers, and artists.

5 0
3 years ago
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