1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
SVEN [57.7K]
3 years ago
8

The stems of horsetails contain: A. spores B. utensils C. silica

Biology
1 answer:
Natali [406]3 years ago
3 0
The answer is C) Silica
You might be interested in
In humans, black hair (B) is dominant over red hair (b) and having six fingers (F) is dominant over having five fingers (f). Sal
Lera25 [3.4K]

Answer:

Genotype  & Phenotype  

BbFf  - 4  

bbFf - 4

Bbff - 4

bbff- 4

Phenotype  

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

Explanation:

Given

Black hair allele is represented by "B"

Red hair allele is represented by "b"

Trait of having six fingers is represented by "F"

Trait of having five fingers is represented by "f"

Also , B is dominant over b and F is dominant over f

Genotype of sally having black hair and five fingers when her father has red hair is  Bbff

Genotype fo Bill having red hair and six fingers  when his mother had five fingers is bbFf

Bbff * bbFf

Bf         bf         Bf         bf

bF BbFf bbFf BbFf bbFf

bf Bbff         bbff         Bbff         bbff

bF BbFf bbFf BbFf bbFf

bf Bbff         bbff         Bbff         bbff

Genotype  & Phenotype  

BbFf  - 4  

bbFf - 4

Bbff - 4

bbff- 4

Phenotype  

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

5 0
3 years ago
A fracture in the shaft of a bone would be a break in the ________. articular cartilage metaphysis diaphysis epiphysis
mr_godi [17]
A fracture in the shaft of a bone would be a breaking the diaphysis.(dia- through, physis=growth). Diaphysis or shafts forms the long axis of the bone. 
Diaphysis is the main or mid section of a long bone. It is made up of the cortical bone and usually contains bone marrow and adipose tissue. It is a middle tubular part composed of compact bone which surrounds a central marrow cavity which contains red or yellow marrow.
5 0
3 years ago
Humans are not the only animals that cause air pollution.<br> A. True<br> B. False
garri49 [273]
The answer is true, pigs cause air pollution by releasing methane into the air.<span />
4 0
4 years ago
Why is a cell membrane important in the defense of a cell
Gnoma [55]
Because the cell membrane controls what enters and leaves the cell. It also gives the cell support and protection and helps maintain homeostasis. Hope it helps you
4 0
3 years ago
Giraffes get their long necks from stretching for food- an idea discovered by Lamarck
Norma-Jean [14]

Answer:

False kind sir/mam

Explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • When candace ordered a hot fudge sundae and a diet soda, she told herself that the calories from the ice cream really were not a
    9·1 answer
  • Suppose you have monohybrid flowers in your garden and find that they produce black seeds to brown seeds in the ratio of 3:1. If
    10·2 answers
  • HI! PLEASE HELP ME ON THIS QUESTION!
    5·2 answers
  • When is observation a better tool for proving a hypothesis than experimentation
    12·1 answer
  • Pleasee choose the correct answer
    8·2 answers
  • NEED HELP!! will give brainest!<br> you don’t have to answer all just the ones you know
    11·2 answers
  • What is the energy source used for muscle contraction?
    14·1 answer
  • Which statements describe social behavior? Check all that apply.
    10·1 answer
  • There are over 8.5 million different species identified on Earth.
    14·2 answers
  • Which animals in the Epipelagic Zone are both producers,consumers,and decomposers
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!