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jolli1 [7]
3 years ago
15

Why is it said that the earthworm has a closed circulatory system?

Biology
1 answer:
Ratling [72]3 years ago
7 0
The earthworm has a closed circulatory system. An earthwormcirculates blood exclusively through vessels. There are three main vessels that supply the blood to organs within the earthworm. These vessels are the aortic arches, dorsal blood vessels, and ventral blood vessel
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Are bats the only mammal that can fly? BQ: are there flying reptiles
GREYUIT [131]
Yes, they ate the only mammals which could fly because flying squirrels, possums or etc. could only glide for a short distance and time, unlike bats. There are no reptiles who could fly, but there are reptiles who could glide which I think is completely different. But they said that Pterosaur existed which they believed it is a flying reptile dinosaur. Just look it up. :)
6 0
3 years ago
What causes changes in air pressure in the atmosphere
harina [27]

Answer:

Air pressure is caused by the weight of the air molecules above

Explanation:

Air pressure is caused by the weight of the air molecules above. Even tiny air molecules have some weight, and the huge numbers of air molecules that make up the layers of our atmosphere collectively have a great deal of weight, which presses down on whatever is below.

5 0
3 years ago
Both parents are carriers of the allele for Albinism, or lack of the pigment melanin in skin or eyes. The equal probability of h
erma4kov [3.2K]

Answer:the condition is recessive, since the probability of appearing is 1/4.

Explanation:

Based on the information above,most of the children are dark skinned showing the dark skinned pigmentation being more dominant,thus the allele for albinism is recessive.

7 0
2 years ago
How are living things involved in the constant cycling of carbon
MrMuchimi
When Living beings are breathing,they get oxygen and put out carbon dioxide!
5 0
3 years ago
Which domains of sustainability are referenced here? the domain incorporates cultural norms that directly impact sustainable dev
Andrei [34K]

Sustainable development is divided into five categories. The social domain comprises cultural ethics, which vary by society and have an impact on long-term development.

<h3>What is sustainable development?</h3>

sustainable development is defined as the "development that meets current demands without jeopardizing future generations' ability to meet their own needs."

1.Cultural norms that have a direct impact on long-term development called as social norms.

2.Natural resource and manufactured goods production and consumption called as technological norms. All current technology advancements that are employed for sustainable development are included in the technological realm.

3: Sustainable development is supported by federal, state, and local government agencies called as public policy. The federal or state government's assistance in achieving a sustainable development is included in the public policy area.

4: Used to meet sustainability goals across all other domains called as economic norm. The economic domain examines the economic benefit created by long-term development.

For more information regarding Sustainable development, visit:

brainly.com/question/15347391

#SPJ1

8 0
2 years ago
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