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sveta [45]
3 years ago
13

The partial pressure of carbon dioxide in venous blood is approximately

Biology
1 answer:
Elena L [17]3 years ago
7 0

at sea level in arterial blood it is between 35 mmHg and 45 mmHg. at sea level in venous blood it is between 40 mmHg and 50 mmHg
I hope this is right and helps:)
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What species of the genus homo was the first to have bigger brains and limb proportions similar to modern humans, to use fire, a
Ket [755]

The extinct ancient human Homo erectus is a species of firsts. It was the first of our relatives to have human-like body proportions, with shorter arms and longer legs relative to its torso.

<h3>What are Homo erectus?</h3>

Homo erectus, an extinct species of Pleistocene archaic human, first appeared about 2 million years ago. Several human species, including H. heidelbergensis and H. antecessor, seem to have diverged from H. erectus, with the former being largely accepted as the ancestor of Neanderthals, Denisovans, and modern humans. Among the first recognizable representatives of the genus Homo are its specimens. The first known ancestor of modern humans, H. erectus, had a continental range that stretched from the Iberian Peninsula to Java. H. floresiensis and possibly H. luzonensis may have its origins in Asian populations of Homo erectus. H. erectus soloensis, from Java, dates to a time period between 117,000 and 108,000 years ago.

To learn more about Homo erectus from the given link:

brainly.com/question/13542251

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8 0
1 year ago
Which describes an interaction in which two organisms that interact must use the same limited resources?
pogonyaev

Answer: competition

Explanation:

Competition is an ecological interaction in which two organisms interact with each other in order to obtain the same resource. The resource can be food, shelter, mate or other. The competition can be intraspecies which means the members of the same species compete for the resources. The competition can be interspecies which means members of the two distinct species compete for the same resource. Generally the competition leads to the decrease in growth, abundance and distribution of members of the inferior species and the members of the superior species derives the resources.

4 0
3 years ago
Read 2 more answers
if there are 1000 units of energy avalaible at the producer level of energy pyramid, approximately how many units of energy are
iVinArrow [24]

Answer:

1 unit

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Pluto is not a planet because it does not have its own orbit. Which planet's orbit does it cross? Why will they never collide?
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Hey there!

Pluto crossed Neptune's orbit. However, their paths do not actually cross, they just swap positions. 

Hope that helps!

~Autumly

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Yes but it depends like which way are you talking about.
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3 years ago
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