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natta225 [31]
3 years ago
13

5. Species of Homo ______________ found in Java suggest that this species of hominine spread rapidly after leaving Africa.

Biology
1 answer:
natulia [17]3 years ago
3 0
The species was Homo erectus
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Some orchids produce two types of flowers, one with only anthers and the other with only carpels. And on some orchids like this,
aliina [53]

Answer:

The Orchids is the diversified structures of flowers, in fact, they have unique feature. Even with the pollination, they have several mechanisms of pollination. Few of them include:  

1. Few orchids have self-fertilization where the anther converts from solid-state to a liquid state without any aid of an external pollinating agent.  

2. In others, self-pollination occurs, when the caudicles dry the pollen fall on the stigma.  

3. This happens through an external pollinator resulting in a diversity of species.  

4. This is a very special case where the flower attracts the insect to mate with bright petals, odor, and the shape.  

5. These types depend on ants and other insects to get pollinated.

6. Here, the pollens release some kind of force, when an insect gets in contact with anther which results in getting away the agent from the flower.

4 0
2 years ago
A test cross can be used to _____.
gtnhenbr [62]

Answer: - Predict an unknown genotype of a purebred dominant plant.

Explanation:

The genetic make up of the organism is called as the genotype. It describes the form of genes or allelic forms present in the organism. A test cross is used to determine the genotype of the organism. In this cross the organism with the unknown genotype is done with that of the organism with the known genotype. It also determines the fact that the organism is either homozygous dominant or hetrozygous.

On the basis of the above description, Predict an unknown genotype of a purebred dominant plant.

8 0
3 years ago
what is the resistance of a car light bulb that conducts 0.025 A current when connected to a 12 V car accumulator? Is the curren
tangare [24]

Answer:

R = 480 Ohm

Yes, the current is steady since the power supply is a constant 12V (comming from the battery).

Explanation:

U=I*R

R = U / I

U = 12 V

I = 0.025 A

R = 12 / 0.025

R = 480 Ohm

6 0
3 years ago
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3 0
2 years ago
True or false? To make up for the loss of energy when solar energy is used by primary producers and then transferred up the food
juin [17]

Answer: Energy can not be lost, rather it can be converted into other forms of energy , so false.

Explanation:

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3 years ago
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