BIOLOGY HIGH SCHOOL

Which type of soil makes it MOSTdifficult for plants to thrive and
decompose organic material?

Answers

Answer 1
Answer:

Explanation:

Poorly drained soils tend to have a high percentage of organic matter because low oxygen levels limit decomposition organisms.

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The chromosome is the sex determiner for many species. t/f
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A genus is composed of a number of similar ...

Answers

A genus is composed of a number of similar SPECIES.

What is genetic mutation?

Answers

An alteration in the DNA Sequence (A,T,C,G)

What occurs during S phase of interphase

Answers

The DNA is being replicated during the S phase.

Answer:

DNA replication

Explanation: Cell Cycle

How did the geocentric theory change over time as increased scientific knowledge led to increased consensus within the scientific community?a.Scientists demonstrated that Earth revolves around the sun.
b. Scientists proved that Earth was the center of the universe.
c. The sun began to rise in the east several centuries ago.
d.The observations for a geocentric solar system became increasingly well documented.

Answers

The way how the geocentric theory change over time as increased scientific knowledge led to increased consensus within the scientific community is a.Scientists demonstrated that Earth revolves around the sun. This event was the best supporting detail which led scientific community to change their views and made them make a huge step towards future.

Answer: b

Explanation:

What is represented by the base root of a phylogenetic tree? the extinction of the species the origin of the species evolution of populations over time where a population splits into two.

Answers

The correct answer of the given question above would be the third option: THE EVOLUTION OF POPULATIONS OVER TIME. What is represented by the base of a phylogenic tree is the evolution of populations over time. It is also known as the evolutionary tree. This tree shows the evolutionary relationships among species. 

Answer:

evolution of populations over time

1. The gametophytes of gymnosperms are found inside reproductive structures called a. flowers.
b. cones.
c.embryos.
d. ovules.
2. In gymnosperms, the female gametophyte develops inside the
a. seed.
b. pollen cone.
c. pollen grains.
d. ovules.
3, Which of the following gymnosperm reproductive structures is haploid?
a. pollen grains
b. seed cone
c. seed
d. cone scale

Answers

Q1. The answer is b. cones.
Reproductive structures of gymnosperms are cones while reproductive structures of angiosperms are flowers. The gametophytes are found in reproductive structures which are called cones in gymnosperms.

Q2. The answer is d. ovules.
The female gametophyte of gymnosperms develops inside the ovules borne on the surface of ovuliferous scale of an ovulate cone while the female gametophyte of angiosperms develops inside the ovules located inside the gynoecium of the flower. 

Q3. The answer is a. pollen grains.
Nevermind if a gymnosperm or an angiosperm, pollen grains are always haploid structures so when they fuse with haploid female gamete, a diploid zygote is formed.

Lesson 12: Seed plants

1.Seed-bearing plants differ from all other plants in that

C.Their gametes do not require water for fertilization to occur.

2. IN seed plants, what is an important difference between gymnosperms and most angiosperms.

3. The gametophytes of gymnosperms are found inside reproductive structures called  

B. Cones  

4. In gymnosperms, the female gametophyte develops inside the

D. Ovules.

5. Which of the following gymnosperm reproductive structures is haploid?

A. Pollen grains  

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