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yawa3891 [41]
3 years ago
15

Major threats of temperate grassland

Biology
1 answer:
JulsSmile [24]3 years ago
6 0
Threats to our native temperate grasslands include clearing, nutrient enrichment, inappropriate grazing, altered burning practices, neglect, fragmentation, tree planting and the invasion of exotic weed species like Serrated Tussock, African Lovegrass, St John's Wort and Phalaris.
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An alteration to chromosome structure which only involves one chromosome.
jenyasd209 [6]
An alteration to chromosome structure which only involves one chromosome is called MONOSOMY.
Alterations in chromosomes structures usually leads to mutation. Monosomy refers to the condition of heaving a diploid chromosome complement in which one chromosome lacks its homologous partner.
4 0
3 years ago
Animals that have a complete<br>tube-like gut with two openings​
AfilCa [17]

Answer:

All mammals, like dogs, cats, and humans; reptiles, amphibians, fish, birds, and even insects.

Explanation:

All mammals, like dogs, cats, and humans; reptiles, amphibians, fish, birds, and even insects are the animals that have a complete  tube-like gut with two openings​. A system having a tube with two openings i.e. mouth and an anus is called tubular system. In this tubular system, the animals eat with one opening and the other opening is used for excretion of waste and nitrogenous materials from the body so that's why most of the animals have two openings.

7 0
3 years ago
Which phrase describes a gene in its simplest form?
vovangra [49]

Answer:

Option-D, a segment of DNA

Explanation:

A gene represents the particular segment of DNA which contains the instruction for the trait of an organism. The nucleotide sequence present in the segment provides the instruction in the form of codons.

The gene is present in the form of its alternative form called alleles which are located on the chromosomes at locus. The alleles represent the variants of the gene and therefore controls the two variety of a single trait.

Thus, Option-D is correct.

7 0
3 years ago
A hybrid _____.
Serhud [2]

Answer: is heterozygous

Explanation: A hybrid is heterozygous which means that it has one dominant gene and one recessive gene. A dominant gene is a type of gene which has the ability to express itself phenotypically either in a homozygous or a heterozygous state. A dominant gene masks the effect of a recessive gene. A recessive gene is a type of gene that lacks the ability to express itself in a heterozygous state. It can only express itself outwardly in a homozygous state. It's effect is masked by the dominant gene is a heterozygous state.

3 0
3 years ago
A group of students is asked to make a model of a plant cell. The group is given different objects to represent cell parts. Thes
LUCKY_DIMON [66]

Answer:

mini solar cells is the answer.

3 0
2 years ago
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