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krek1111 [17]
3 years ago
11

Which level of organization describes blocks of wood ducks interacting with algae and ELM trees A) organism B) population C) com

munity D) ecosystem
Biology
1 answer:
Mashcka [7]3 years ago
8 0

Answer: D. Ecosystem

Explanation: The ducks are interacting with trees and algae with are all part of an ecosystem.

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horsena [70]

Answer:

C is correct ans

Explanation:

Mark my answer as brainliest and thank me

5 0
3 years ago
Jacob skips, climbs ladders, and is able to change direction very quickly while running. his gross-motor skills are normative fo
schepotkina [342]
Gross motor skills involve large muscles in the arms legs and torso. The general guidelines for gross motor development for children 4 years of age include running, jumping and climbing well and control their direction. They can hop on one foot and they start to skip at this age. At this stage, they are also able to ride a tricycle and reliably catch a ball. 

The answer to your question is 4.
7 0
3 years ago
When a coelom is formed by introducing a gap surrounded by mesodermal cells at the base of the blastula, between the ectoderm an
mariarad [96]
Schizocoelic development

The coelom is a fluid-filled body cavity, where the internal organs are suspended in. It is the cavity between the wall of the body and the digestive tract.

In the schizocoelic development of the embryo, the coelom, called the schizocoel, develops as a split in the mesoderm. The outer layer of the mesoderm attaches with the ectoderm to form a body's musculature, while the inner layer attaches with the endoderm to form the wall of the digestive tract. 

This type of development is commonly found in annelids, arthropods, and mollusks. 

3 0
3 years ago
The disaster of an oil spill in the Gulf of Mexico occurred on the _______.
Vesna [10]

Answer: It happened from Apr 20, 2010 – Sep 19, 2010

Explanation:

8 0
3 years ago
The head of a giraffe is 2.0 m above its heart and the density of the blood is 1.05 103 kg/m3. what is the difference in pressur
erastovalidia [21]
The giraffe head is higher than its heart so the blood pressure in the head must be lower than in the heart. The pressure is directly related to the density, gravity, and the height. The calculation would be:

<span>P = ρ*g*h 
</span>P= 1.05* 10^3 kg/m3 * 9.8m/s2 * 2m= <span>20 580 pascals= 20.58 kpa</span>
8 0
3 years ago
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