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Alex787 [66]
3 years ago
7

Definition of biolog

Biology
1 answer:
topjm [15]3 years ago
7 0

Answer: the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.

or

the physiology, behavior, and other qualities of a particular organism or class of organisms.

and

the plants and animals of a particular area

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5. What are the four bases found in DNA?
enyata [817]

Answer:

Attached to each sugar is one of four bases--adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.

Explanation:

5 0
3 years ago
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Natural selection involves energetic trade-offs between ________. Group of answer choices high survival rates of offspring and t
koban [17]

Answer:

The correct answer is ''high survival rates of offspring and the cost of parental care''

Explanation:

Natural selection is the differential reproduction of some genetic variants with respect to others. Natural selection favors individuals who maximize their total reproductive success throughout life, that is, it favors certain phenotypes or variants are associated with greater offspring and / or greater survival, that also means that selection will favor those who stop spending on a particular breed at the right time to invest in another, that is, the amount of energy invested in each of them. This same natural selection also favors those genes that make it effective when the body that carries them is in development to extract all possible parental investment from their parents.

7 0
3 years ago
A common species of liverwort typically resembles a flat green ribbon that occasionally sprouts umbrella-shaped structures. If l
creativ13 [48]

Answer:

1. Gametophyte

2. Sporophyte

Explanation:

The life cycle of the Liverwort and mosses which are placed in the Bryophytes is divided into the sporophytic and the gametophytic phase.

Gametophyte

The gametophyte is the dominant phase of the life cycle which appears like the ribbon, green in color and posses the gamete producing structure- the antheridium and the archegonium.  

Sporophyte

The gametes fuse to form the embryo and from that is produced the sporophyte structure, an umbrella-like structure called a sporangium. This sporangium produces the spores which later will form the gametophyte.

6 0
3 years ago
Why are substances able to diffuse through the capillaries?
Stels [109]
Capillaries are made up of very thin and flat tissues that are spread across the body. Substances are able to diffuse through the capillaries because of the presence of blood. Particularly, the red blood cells that make-up blood within the body. These cells have the ability to carry oxygen, carbon dioxide, glucose, and water to pass through the capillaries. 
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2 years ago
The structure labeled as x is the ____ so the cell in the image is a ____ the structure labeled as w is the ______ so the cell i
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Mass. Protocol . Hydrated. Particle
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