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kramer
3 years ago
13

Case study - are invading bullfrogs harmful?

Biology
1 answer:
andrew-mc [135]3 years ago
4 0
The invading bullfrogs ARE HARMFUL. This is because, they cause decline in the population of the native species.
Decline in the population of the native species will throw the ecosystem into a condition of imbalance which will eventually affect all the living organisms that are living in that ecosystem.
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A dog breeder wants to show prospective buyers that his dogs are pure breed.which kind of model could he use
adell [148]

Answer:

A pedigree

Explanation:

A pedigree  is the record of descent of an animal, showing it to be purebred. With a pedigree, a dog breeder would easily have proof of his purebred dogs' heritage.

<h3>Hope this was helpful!</h3>
6 0
3 years ago
What do landforms include
Bess [88]

Answer:

A landform is a feature on the Earth's surface that is part of the terrain. Mountains, hills, plateaus, and plains are the four major types of landforms. Minor landforms include buttes, canyons, valleys, and basins. Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills.

Explanation:

4 0
2 years ago
Plants, such as sunflowers, contain specialized receptor cells that respond to light and grow in the direction of a light source
loris [4]
Photoreceptor proteins are light-sensitive proteins involved in the sensing and response to light in a variety of organisms. Some examples are rhodopsin in the photoreceptor cells of the vertebrate retina,phytochrome in plants, and bacteriorhodopsin<span> and bacteriophytochromes in some bacteria.


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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5 0
3 years ago
Crawfish are shelled organisms that live in shallow freshwater rivers. They can have antennae of different lengths. Two parents
vredina [299]

The phenotype of antenna in crawfish depends on the protein amount in the antenna length. The offspring have different phenotype than their parent because of the amount of protein translated from each parent gene is determining in this.

The gene determines the amount of protein to be present in the antenna to determine its length.

Explanation:

Data given:

Two crawfish parent = medium length antennae, genotyoe Ll

One offspring = short antenna, genotype ll

one offspring = long antennae, genotype LL

The traits in offspring is shown as:

       L    l

L   LL    Ll

l   Ll     ll

The proportion of allele present in the gene determined the length of the antenna in crawfish.

The difference in length of the antenna in crawfish is due to the amount of protein for the phenotype present in the individual. The amount of protein to be expressed in the crawfish is given by both the parents. The tendency of protein expresed define the phenotype of antenna length.

6 0
3 years ago
What is the genus of the popular fossils which are similar to "lucy"?
mylen [45]

Answer

          The common name of Lucy is Southern ape, while their scientific genus name is <em>Australopithecus afarensis</em>.

7 0
3 years ago
Read 2 more answers
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