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slava [35]
3 years ago
5

If an infant reaches for a toy hidden under a cloth, what does this suggest?

Biology
1 answer:
adelina 88 [10]3 years ago
4 0
The correct answer is b.
The child is reaching for a toy which is not visible to him (hidden under a cloth), therefore, the child has a mental representation of the object in his/her mind. This action means that the child acknowledges that the objects continue to exist even when he/she can not hear or see them. This thought process is called object permanence and it is an ability acquired between the 4th and 7th month of a child's development.

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The researchers observed a random sample of mating pairs. The spiders had all been identified and measured before the mating occ
pentagon [3]

Answer:

Null hypothesis: male and female spiders organized in mating pairs don't differ significantly in respect to body length

Alternative hypothesis: male and female spiders organized in mating pairs exhibit significant differences in respect to body length

The application of one statistical test in order to obtain one p-value (probability value) may provide useful evidence to support the alternative hypothesis (or reject it).  

The inference procedure uses the information collected from the sample in order to obtain one conclusion.  Frequentism is a type of inference procedure that can be used to test a hypothetical test case, which is here represented by male and female spiders organized in mating pairs.

8 0
3 years ago
What is the name for the region toward the middle of a replicated chromosome where sibling chromatids are connected?
alina1380 [7]
Hey there,
<span>Centromere is the answer.

Hope this helps :))

<em>~Top</em>
</span>
3 0
3 years ago
Help pls thanks omg !!!
poizon [28]

Answer:

3rd

Explanation:

3 0
3 years ago
What human adaptation may enable us to live more sustainably by understanding and copying the ways in which nature has sustained
svet-max [94.6K]

Answer:

Complex brain.

Explanation:

The cranial capacity of Homo sapiens are responsible for their successful adaptation on earth. They have the cranial capacity of around 1400cc.

The major environmental conditions has changed but the complex human brain has helped him to sustain and understanding the nature. Humans are successful to sustain on this earth due to their complex brain.

4 0
4 years ago
Ideally, sustainable development should a. put the protection of the environment ahead of human needs. b. provide for human need
krok68 [10]
D. preserve ecosystems whilst providing for human needs.
the actual definition for sustainability is meeting the needs of the present without compromising the ability of future generations to meet their own needs.
5 0
3 years ago
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