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larisa [96]
3 years ago
13

Consider the two biomes: tundra and desert. They are alike in some ways; different in others. The plants that live in both biome

s have adaptations that allow them to live without much available water. The tolerance zones in the two biomes for water are similar. But the plants' tolerance zones for another abiotic factor are very different. What is that factor?
Biology
2 answers:
iren2701 [21]3 years ago
4 0
I think it's the temperature
Studentka2010 [4]3 years ago
4 0

Answer:

It was temperature.

Explanation:

I took the test it is right

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kykrilka [37]
<span>a cone formed around a volcanic vent by fragments of lava thrown out during eruptions.</span>
7 0
3 years ago
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Which of these body cavities is a long, continuous cavity located on the back of the body?
densk [106]

Dorsal Cavity

Explanation:

The body cavity that is long, continuous and located in the back of the body is the Dorsal cavity

8 0
3 years ago
A water sample could be negative for enterococcus and coliforms and still be a major public health threat. why?
melisa1 [442]
1. Enterococcus and coliforms can enter the water through feces. Although a water sample is negative for these bacteria, it could still be infected by pathogens from other sources than feces.

2. Culture media are sterilized by filtration because they could contain antibiotics or serum which deteriorate upon heat. Filtration is used in sanitation to remove large particles.

3. In the membrane filter technique, it is assumed that <span>all viable bacteria will form colonies. This means that formed colonies develop from the viable bacteria so that the number of colonies suggests the number of bacteria.

4. E. coli is negative for Citrate and Voges-Proskauer tests, and is positive for Indole and Methyl red tests.

5. The answer is yes because eo</span><span>sin-methylene blue agar is inhibitory to Gram+ bacteria.</span>
3 0
3 years ago
What environmental stimulus is most likely to result in a more rapid heartbeat in an animal?
Kipish [7]

Answer:

This question is incomplete, the options are:

A) Decreased temperature

B) Strong southerly winds

C) Presence of a predator

D) Lack of water

The answer is C

Explanation:

A stimulus is something that provokes a response or reaction in a living organism. It can either be internal or external. An animal can respond to stimulus such as hunger, heat, predator etc.

However, among all the listed stimuli in the options, the PRESENCE OF A PREDATOR is most likely to result in a more rapid heartbeat in an animal. This is because the predator stimulus will require the animal to respond by running in order to survive. Running will increase its metabolic activity and cause its heartbeat to increase.

8 0
3 years ago
What genes direct the
Valentin [98]

Answer:

a. hox genes.

Explanation:

HOX genes have the following functions:

  • HOX genes are the homeobox subset.
  • They specify the areas of the embryo's body plan along the animal head-tail axis.
  • They are encoding Hox proteins that specify the position characteristics and ensure that the right structures form at the right position in the body.
  • They regulate high-level executive genes, such as transcription factors and intracellular signaling molecules, which adhere, number, form, and growth to cells.

The vertebrates are highly preserved.

The clusters and other genes occur uninterrupted.

Evolutionary, the heterogeneous regulatory areas between the genes most previously present are larger and more preserved than those present at the other ends of the clusters.

The characteristical feature is that these are homeodomain proteins with a highly preserved area of DNA binding encoded with homeobox gens.

3 0
3 years ago
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